Compatible with: MP3, TF/Micro SD card
Supports: Bluetooth, hands-free calls, speaker, Microphone, TF card music playback
Functions: AUX function, song track
Interface: Microphone,Mini USB, TF card slot
Bluetooth:Bluetooth V2.1
Transmission Distance: without obstacles 10m
Output Power: 3W
Freq: 20Hz-20KHz
Battery capacity: 400mAh
Charging time: about 2 hours
Working time: average volume 2-3 hours
Battery type: Lithium-ion battery
Working voltage: DC3.7V-4.2V
Power: 4 3W
The package includes:
1 x Bluetooth Speaker
1 x USB charging cable