• Air conduction design, easy to hear the background sound during outdoor exercise for safer using
• Built-in powerful driver unit, bringing high-definition sound quality
• Excellent Bluetooth-compatible 5.3 chip, with fast connection and anti-interference function
• Waterproof and sweatproof, suitable for working,running, cycling, fitness, etc. It can fit different head sizes

Specification:

• Waterproof Rate: IP66
• Audio Decoding: SBC
• Frequency Response: 20Hz-20KHz
• Bluetooth-compatible Version: V5.3
• Supported Profiles: HFP/HSP/A2DP/AVRCP
• Transmitting Distance: 10m
• Battery Capacity: 140mAh
• Call Time: 10h
• Music Time: 10h
• Standby Time: 10 Days
• Charging Time: 2h
• Other Features: Microphone
• Weight: 21g
• Size: 145x100x45mm