SPECIFICATIONS

Wireless Type: bluetooth

Frequency Response Range: 20 - 20000Hz

Features: Active Noice Cancelling

Features: With Microphone

Features: waterproof

With A2DP/AVRCP

Battery capacity 400MAH

Standby time is about 250 hours

Music time about 20 hours

Call time is about 20 hours

Charging time is about 2.5 hours