Power: DC5V
Output power: 3W
Frequency: 180HZ - 20khz
Signal-to-noise ratio: ≥80dB
Impedance: 4 OHM (Ω)
Power Output: 5V
Power input: 3.7V ~ 4.2V + 0.05V
Battery Capacity: 200mAh
Speaker Diameter: 36mm
Housing material: metal + ABS
Shell Size: 55 * 55mm
Intercom functions: Microphone
Weight: 68g
Bluetooth Player - supports a variety of smart phones and other wireless Bluetooth stereo music playback function.
MP3 playback - Support TF card MP3 decoder functions.
Audio input - AUX line with external audio input (for connecting computers, laptops, PSP, MP3, MP4, cell phone, etc.).
Intelligent charging - USB-powered, rechargeable, Smart Call playback (computer system will automatically detect and found that the device hardware and the installation of new hardware, start your computer Windows Media Player, itunes other media player).
Rechargeable lithium battery - Built-in lithium battery with USB cable, outdoor use, allow you to listen charm digital speakers at anytime, anywhere.