Belkin PAC003btBL SoundForm Nano Wireless Earbuds for Kids - Bluetooth 5.0, 85dB, IPX5 Bring joy and fun to your kid’s life with these kid-friendly TWS earphones from Belkin. It has IPX5 splash-proof water and sweat resistance. Also, the volume is limited to 85dB, so you can let your kid play without causing damage to his ears. Conform Nano system provides 5 hours of playing, which can be extended by another 19 hours via the charging case. Two hours is enough to recharge earbuds using the included micro-USB cable fully.