Specifitation:

Speaker Parameters:

Speaker diameter: 30mm 

Rated Power: 10mW

Frequency response:20Hz-20000Hz 

Impedance: 37 ohm 

Sensitivity: 110dB 

S.P.L:115dB S.P.L.at 1KHz 

Product Parameters

System support: audio frequency device with Bluetooth function， including PC， Phone，MP3 and Latop，etc.

Bluetooth protocol agreement: Bluetooth V4.1 

Receiving distance: 15m+ 360? 

Carrier frequency: 2402MHz-2480MHz 

Battery: chargeable Li-ion polymer battery(3.7V 600MAH) 

Charging source: computer USB port(DC 5V); DC 5V(500MA) 

Travel charger: DC 5V (500MA) car charger 

Continuous working time: over 10 hours 

Frequency response: 20Hz-20KHz