EarFun K4 Kids headphones with LED lights for playful study and home use.
EarFun K4 volume limiter protects young ears during learning and play.
EarFun K4 Kids headphones with 40mm drivers for crisp, immersive sound.
EarFun K4 built-in mic enables clear hands-free calls and online learning.
EarFun K4 delivers up to 90 hours of playtime on a single charge.
EarFun K4 uses Bluetooth 5.4 for stable connections across devices.
EarFun K4 USB-C fast charging refreshes battery quickly for busy days.
EarFun K4 includes a 3.5mm cable for uninterrupted listening when needed.

EarFun

EarFun K4 Kids Bluetooth Headphones — 90H Playtime, LED Lights, Safe Volume

High-performance electronics accessories made for confident daily results

$42.72

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Why customers choose Nexoltic

Overview

Meet the EarFun K4 Kids Bluetooth Headphones, thoughtfully designed for young listeners who deserve crisp sound, long-lasting battery, and a comfortable fit. Built for school days, travel, and quiet evenings at home, these over-ear headphones fuse kid-friendly materials with practical tech, so you can focus on learning and imagination rather than fiddling with devices.

What makes them kid-friendly

  • Volume safety: provides 74/85/94 dBA limits to help maintain comfortable listening levels during lessons and play.
  • Materials you can trust: BPA-free construction certified Rohs2.0 and CPC for peace of mind in everyday use.
  • Fun lighting: five colorful LED modes that are easy to control with a single button, adding a playful touch to learning sessions.

In practice, the design emphasizes a soft, secure fit with cushioned earpieces, so kids can wear them through long study blocks, video calls, or collaborative activities without constant adjustment.

Audio quality and communication

  • 40 mm drivers deliver clear, balanced stereo sound for music, stories, and online classes.
  • Built-in microphone supports hands-free calls and classroom-style discussions with reliable voice pickup.

Whether at home, in the classroom, or on the move, the K4 aims to create a dependable listening experience that supports focus and engagement without demanding special setup or attention from caregivers.

Power, charging, and compatibility

  • Impressive endurance: up to 90 hours of playtime with lights off, about 24 hours with lights on.
  • USB-C fast charging: a quick 10-minute charge adds about 8 hours of listening time.
  • Backups for uninterrupted listening: a 3.5 mm audio cable keeps music going when needed, even without a charge.
  • Bluetooth 5.4 ensures stable connections across devices like tablets, iPads, laptops, and more.

Designed with school and home life in mind, the EarFun K4 provides versatility for daily learning, creative play, and casual downtime, all while keeping things simple and reliable for young users and their families.

FAQ

Q: What devices are compatible with EarFun K4 Kids headphones?

A: They use Bluetooth 5.4 for broad device compatibility and include a 3.5mm cable for wired use.

Q: How long does the battery last and how fast does it charge?

A: Up to 90 hours of playtime with lights off; USB-C charging adds hours quickly with short charges.

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