Bluetooth: V2.0
Power: 3W * 1                                       

Signal to noise ratio: ≥ 80db
Distortion: ≤ 1%
Frequency response: 180HZ- 20 khz
Play Time: 3 to 4 hours
Charging time: 2 hours
Single Weight: 130g (with packaging)
Size: 55 * 55mm
Color: black, rosy red, pink, sky blue, yellow, green 

1. Product Features: Bluetooth audio player, Bluetooth hands-free calling, phone tablet ipad bracket
2. Material Composition: 16 core speaker, engineered rubber shell