Style:In-Ear Communication:ctors:USB Use:Mobile Function:MicroNoise Canng,Bluetooth Color:black , red Version:BT4.1+EDR Support:HSP HFP A2DP AVRCP Battery Capacity(Headset):50mAh Standby time:Up to 40 hours Talking time:About 2 Hours Charge Time:About 1-2 hours Logo:Customized accpetable Battery Capacity(Box):450mAh(ProvTimes Charges) Keyword:earbuds