T&G Bluetooth Speaker Waterproof Wireless Portable Loud Stereo Bass USB/TF/FM

Bluetooth Speaker Waterproof Wireless Portable Loud Stereo Bass USB/TF/FM Radio
 
Specification
1. Wireless version: 4.2
2. Transmission range: 10M
3. Audio frequency noise ratio: 95dB
4. Battery capacity: 1200mAh
5. Built-in voltage: 3.7V
6. Playback long: 2-4H
7. Horn size: 52mm*2
8. Horn power 4 Omega: 5W*2
9. Charge input: 5V/500ma
11. Single machine size: 79.8*75.8*168MM