**Newest design Portbale Bluetooth Speaker
**Model No.:BS-002
**Bluetooth:3.0+EDR
**Working distance:10m
**SNR:≥85db
**Battery:3.7v 500mah
**Normal volume playing time:2H
**Speaker driver:φ40mm
*power:4Ω/3w
**Frequency response :120hz-18khz
**Charging:5v/500mah
**Color:white/blue/black/red