Bluetooth: V4.1 Multi-point function Battery indication Profile Support: HSP/HFP/A2DP/AVRCP Operating distance: up to 10m (free space) Talk/Music time: up to 4.5hrs Standby time: 55 hrs Charger time: 2 hrs Remax T8 Bluetooth wireless headset. A modern portable small. Small Talk is a built-in microphone for calls made. Sounds good, crisp HD A stereo headset Music Supports all versions of both iOS and mobile Anroid. Connect easily Fast Connect 4 days of standby time. Continuous use up to 4-5 hours. 10 meters long connection Bluetooth Version 4.1 There are three colors: white, gold, black.