Product details Key Features: Standby Time: 95-120h Working Time: 4-5 h Weight: 6-9g Frequency: 2.402G-2.480G Temperature: -20-60 Degrees Specifications: 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.