SENXIN Portable Bluetooth Wireless Speaker with HD Sound and Bass & Mini

This smart speaker with volume booster is for clear and stereo sound quality.
Both sound open, and then double-click on one of them
after 3 seconds will automatically matching success.
Pair smart phones, tablets and laptops by Bluetooth.
With HI-FI speaker, to sure the clear and bright sound quality.
Support 1 to 1 connections, creating a stereo sound.
Built-in volume booster to sure HD sound and deep bass.
Built-in microphone for hands-free phone call.
Support TF/SD card to play music.
Product specifications:

Bluetooth: V 4.0
Working Distance: 10 m
Voltage：DC 5 V
Loudspeaker: 3 W
Battery capacity: 400 mAh
Net weight: 2.5 oz/70 g