Interface: Bluetooth v.2.1 + EDR, Class II, Handsfree profile
Bluetooth frequency range: 2.402 GHz – 2.480 GHz
Speaker: 4 Ohm
RMS power output: 3 W
Frequency response: 20Hz - 20KHz
S/N ratio: 80 dB
DC input: MicroUSB 5 VDC up to 1.5 A
Battery: rechargeable 500 mAh Li-Polymer
Dimensions: 100 x 80 x 40 mm
Waterproof design (IPX4)