Features
1.Built-in Bluetooth wireless transmission, telephone hands-free function
2.Stereo audio transmission protocol (A2DP V1.2)
3.Support MP3 songs play U disk storage
4.Support MP3 songs played TF card store
5.Support all external terminal 3.5 mm audio input
6.Support FM channel automatically
7.Support can be recycled charge
8.Mobile power function (2000)
9.Built-in 18650 battery: 2000MAh

Specification
Transfer Distance: <10m
Power Output: 3w x 1
Input sensitivity: 400mv
S/N: >80dB
Degrees of separation: 90 db or higher
Voltage: DC 5V
External magnetic speaker: 4Ω 3W
Product color: Blue, Red, White, Green, Gold, Black
Package list
1 x Bluetooth Speaker
1 x USB charging cable