Truly wireless Bluetooth earbuds With charging case & handsfree function Truly wireless Bluetooth earbuds Enjoy music without any cords Bluetooth version V5.0 Operating range: up to 10 meters Each earphone has 40mAh battery Charging case: 400mAh Built-in microphone for calls Charge the earbuds in the charging case Standby: 30 hours Talk time: Up to 3 hours Music playback: Up to 3 hours 10mm Speaker unit x2~16ohm Rubber paint on charging case