--- product_id: 538137999 title: "K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue" brand: "earfun" price: "€ 45.01" currency: EUR in_stock: true reviews_count: 13 category: "Ear Fun" url: https://www.desertcart.de/products/538137999-k2-kids-bluetooth-headphones-kids-headphones-with-volume-limited-40h store_origin: DE region: Germany --- # 40mm dynamic stereo drivers 85/94dB safe volume limit 40H ultra-long battery K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue **Brand:** earfun **Price:** € 45.01 **Availability:** ✅ In Stock ## Summary > 🎧 Protect young ears with style and stamina! ## Quick Answers - **What is this?** K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue by earfun - **How much does it cost?** € 45.01 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.de](https://www.desertcart.de/products/538137999-k2-kids-bluetooth-headphones-kids-headphones-with-volume-limited-40h) ## Best For - earfun enthusiasts ## Why This Product - Trusted earfun brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Comfort Meets Durability:** Soft memory foam cushions and flexible, foldable design ensure a cozy fit that withstands active use and travel. - • **Crystal-Clear Calls & Learning:** Built-in HD mic enables seamless hands-free calls and online class participation with stable Bluetooth connectivity. - • **Kid-Safe Sound, Parent-Approved:** Volume capped at WHO-recommended 85/94dB to protect young ears without sacrificing clarity. - • **Endless Playtime, Zero Interruptions:** Up to 40 hours of wireless Bluetooth 5.4 playback with quick 2.5-hour USB-C recharge keeps kids entertained all day. - • **Stylish & Portable for Every Adventure:** Lightweight, foldable over-ear headphones in vibrant blue, perfect for school, travel, and tablet time. ## Overview EarFun K2 Kids Bluetooth Headphones combine safety, comfort, and premium sound with a WHO-compliant volume limit, 40mm stereo drivers, and an ultra-long 40-hour battery life. Designed with kids in mind, these foldable, lightweight headphones feature Bluetooth 5.4 for stable wireless connectivity and a built-in mic for hands-free calls, making them ideal for school, travel, and everyday use. ## Description Product description Hi-Fi Sound With 40mm drivers and extended frequency range, emiting a fully HiFi stereo sound. Bluetooth 5.4 Connectivity Adopt the latest Bluetooth 5.4 technology for stable and fast connection. 40Hrs Battery Life With the rechargeable battery, the Bluetooth kids headphones provide up to 40hrs playback. Compare EarFun Kids Headphones EarFun K2 EarFun K4NC EarFun K4 EarFun K3 EarFun K1 EarFun S1 ## Features - Kids-friendly and Comfy Material. EarFun kids headphones are made of kids-friendly materials that comply with RoHS2.0 and FCC standards and pass the CPC-certified. Also, the soft memory foam headband and earpads ensure a safe and cozy wearing experience. - 85/94dB Safe Volume Limited. The Bluetooth headphones are limited the volume to 85/94dB, which perfectly meets the WHO recommended level to prevent kids' hearing damage, and effectively protect your kids' hearing no matter in studying or traveling. - Bluetooth 5.4 & Hands-Free Call. The headphones with Bluetooth 5.4 technology can easily connect to the devices and offer a stable connection without interrupting your music. And the built-in microphone brings a clear hands-free call experience, allowing your kids to enjoy wireless entertainment no matter in online course learning or listening. - Balanced Stereo Sound. Developing kids' good listening habits early starts with great sound quality. EarFun wireless kids headphones are outfitted with 40mm drivers to ensure balanced stereo sound, delivering your kids or teens clear, crisp vocals and full dynamic bass. - 40H Playtime, All Day Use. The Bluetooth headphones can keep you enjoying the playtime time of music, study and calls all day with 40 hours of ultra-long battery life. Besides the kids headphones can provide extra playback by USB-C cable recharging 2.5H for the battery. - Reliable & Foldable. EarFun wireless Bluetooth headphones are made of wear-resistant material, the ergonomic headband can be twisted, turned and bent without breaking. The foldable and lightweight design is easier to portable for school and travel. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C5M1JF4B | | Additional Features | 40Hrs ultra long battery life & Foldable design, 40mm driver for stereo sound, 85/94dB volume limit for kids' hearing protection, Bluetooth 5.4 connection & Built-in HD microphones, Kid-friendly material, CPC-certified | | Age Range Description | Kids&Teens | | Antenna Location | Travel, School | | Audio Driver Size | 40 Millimeters | | Audio Driver Type | Dynamic Driver | | Battery Average Life | 40 Hours | | Battery Charge Time | 2.5 Hours | | Best Sellers Rank | #1,563 in Electronics ( See Top 100 in Electronics ) #29 in On-Ear Headphones | | Bluetooth Version | 5.4 | | Brand | EarFun | | Brand Name | EarFun | | Built-In Media | Cable, EarFun K2 Kids Bluetooth Headphones, User Manual | | Cable Features | Without Cable | | Carrying Case Color | Blue | | Carrying Case Material | [Assumed: Fabric or Plastic] | | Color | Blue | | Compatible Devices | Desktops | | Connectivity Technology | Wireless | | Control Method | Push Button | | Control Type | Button Control | | Controller Type | Button | | Customer Package Type | Rigid | | Customer Reviews | 4.6 out of 5 stars 3,297 Reviews | | Ear Placement | On Ear | | Earpiece Shape | Rounded | | Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) | | Form Factor | Over Ear | | Frequency Range | 20 Hz - 20,000 Hz | | Frequency Response | 20 KHz | | Headphone Folding Features | Over Ear | | Headphone Jack | 3.5 mm Jack | | Headphones Ear Placement | On Ear | | Impedance | 32 Ohms | | Is Autographed | No | | Item Weight | 175 Grams | | Manufacturer | EarFun | | Model Name | EarFun K2 Kids Bluetooth Headphones | | Model Number | EarFun K2 | | Noise Control | None | | Number of Items | 1 | | Number of Power Levels | 1 | | Sensitivity | 100 dB | | Specific Uses For Product | Music, School, Travel | | Style Name | Practical | | Total USB 2.0 Ports | 1 | | Unit Count | 1.0 Count | | Warranty Description | EarFun provides 18-month warranty for every product. | | Water Resistance Level | Not Water Resistant | | Wireless Technology | Bluetooth | ## Product Details - **Brand:** EarFun - **Color:** Blue - **Ear Placement:** On Ear - **Form Factor:** Over Ear - **Impedance:** 32 Ohms ## Images ![K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue - Image 1](https://m.media-amazon.com/images/I/61ewNIQHf5L.jpg) ![K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue - Image 2](https://m.media-amazon.com/images/I/71D3kDqCcdL.jpg) ![K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue - Image 3](https://m.media-amazon.com/images/I/71eol1SuBpL.jpg) ![K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue - Image 4](https://m.media-amazon.com/images/I/71LEkD+23bL.jpg) ![K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue - Image 5](https://m.media-amazon.com/images/I/71LUd8YthqL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by K***R on December 26, 2025* ### ⭐⭐⭐⭐⭐ Review *by B***N on February 17, 2026* ### ⭐⭐⭐⭐⭐ Review *by P***Y on April 11, 2026* ## Frequently Bought Together - EarFun K2 Kids Bluetooth Headphones, Kids Headphones with Volume Limited, 40H Playtime, Built-in Mic, Stereo Sound, Foldable Over-Ear Headphone for School/Travel/iPad/Tablet, Blue - Amazon Fire HD 10 Kids Pro tablet (newest model) ages 6-12. Bright 10.1" HD screen, includes ad-free content, robust parental controls, 13-hr battery and slim case for older kids, 32 GB, Happy Day --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.de/products/538137999-k2-kids-bluetooth-headphones-kids-headphones-with-volume-limited-40h](https://www.desertcart.de/products/538137999-k2-kids-bluetooth-headphones-kids-headphones-with-volume-limited-40h) --- *Product available on Desertcart Germany* *Store origin: DE* *Last updated: 2026-05-12*