▶ Multi-function Wireless Bluetooth Speaker B850 ◀ 3000 mAh Power Bank Function Suction Chuck Phone Stand Holder Handsfree FM /Support SD /TF Card Handsfree FM Radio Power Bank Function Free Ship

Features:

Bluetooth wireless technology

High-speed data transmission

Strong anti-interference

Power Bank Function

Support TF Card, FM radio

It can be used indoors or outdoors.

Special suction design, could sucked on any flat surface including desk, wall, table.

Built-in microphone for hands-free calls, free your hands and keep your safety in driving.

 

Bluetooth Version:BK  V3.0
Frenquency:2.402-2.480GHz.
Max Power Output: 3W*2
Mic Sensitivity:-38db
Sensitivity:Better than -82dbm
Range:10-30meters
Charing Voltage: 4.8v-5.2v 
Working Voltage:3.7v-4.2v 
Working Current: 150MA
Quiescent Current: >1UA
Battery:3000Mah

Package:

1 x B850 Speaker

1 x USB Cable

1 x English Manual

1 x Retail Box