Specifications:1. Bluetooth 3.0+EDR (2.4G Hz Transmitting Frequency)2. Transfer distance :~10M (the distance depends on the bluetooth device and environment).3. Power: DC 5V- 100-120mA4. Output : 3W5. 3.7v 400mAh lithium Battery6. 3 hour charging time7. 6 hour operating time8. IPx4 grade waterproof Package Includes:1 x Waterproof Bluetooth Mini Speaker new in Case1 x USB power cable (For charging) (Included in Case)1 x English Manual