**Model No.:BS-007
**Bluetooth:3.0+EDR
**Working distance:10M
**SNR:≥85db
**Battrey:3.7v 600mah
**Normal volume playing time:4H
**Speaker drive:φ40mm
**power:4Ω/3w
**Frequency resonse:120Hz-18KHz
**Charger:5v/500mah
**Unit weight:148g
**Color:white/blue/red/black