Output power: 2W

Power input: DC 5V/1A

Supports:Bluetooth/AUX/earphone

Driver: 2" full range

Dual optical projector 

Bulit-in flash card for sleep music & white noise

Leather strap

Full functional remote controller

Frequency response: 100Hz~20kHz 

S/N ratio: ≥70dB 

Distortion: TDH+N: ≤10%

Li-thium battery:3.7V/2000mAh   

Play time:2-3 hours  

Product size: L203*W136*H112mm