Bamboo Earbuds Have A 35 mAh Battery And Can Be Re-charged In The 500 mAh Charging Case Within 1 Hour. With Auto Pairing Function So Easy To Pair To Your Mobile Device. Playing Time On Medium Volume About 3 Hours. With Bt 5.0 For Optimal Connection. Operating Distance Up To 10 Metres. With Pick Up And Mic. Including 3 Size Silicone Ear Tips. Bamboo And Abs Material