Portable Bluetooth speaker with microphone Unique rotating turnable body Signal reach up to 10 m Works on built-in rechargeable battery Up to 600 hours standby or 5 hours of music streaming on a single charge Non-Bluetooth devices can also be connected via included audio cable Interface: Bluetooth v.2.1 + EDR, Class II, Handsfree profile Bluetooth frequency range: 2.402 GHz – 2.480 GHz Speaker: 4 Ohm x2 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: 171 x 61 x 45 mm Net weight: 0.2 kg