Technical Specifications:
Wireless standard: 4.2+ESR
Transmission distance: 10 meters
Output power: 8W*2+15W
Play time: 4H
Frequency effect: 100Hz ~ 10KHz
Speaker : 66mm*2, 4Ω 8W; 93mm, 4Ω 15W 
Input Power: DC5V, 2A  
Maximum current consumption: 1A
Battery type: 18650 Li-ion 6000mAh
Audio signal input interface: 
standard Φ3.5mm headphone jack (stereo)

1. Wireless connection
2. Memory function
3. Support U disk/ TF card/ AUX play mode
4. Built-in lithium battery
5. Support MP3/WAV/WMA/FLAC/APE music format decoding
6. Use high-fidelity speakers, make the sound more natural and delicate
7. Water resistance IPX6
8. Mobile power function:5V ,1A
1+1 series function