Product Video Your browser does not support the video tag. BTH188Wireless Audio Sunglasses Key specifications Version: V5.1 Profiles: HSP,HFP,A2DP and AVRCP Talk time: About 5 hours at 80% of the volume Battery : Rechargeable 100mAh Li-polymer battery Waterproof: IPX5 Package One Audio Sunglasses One Glasses cloth Two Nose pads One USB cable One user's manual