Brand RAPOO Model A3060 Quantity 1 Color Black Bluetooth Version 4.0 Operating Range 10 meter Compatibility Compatible w/ 2.1 Microphone Yes Channels 2 Total Power 2.7W Impedance 4ohm Signal to Noise Ratio(SNR) 90dB Radio N/A Supports Music Format MP3 Power Supply Built-in Battery Built-in Battery Capacity 900mAh Compatible With Iphone 5 / 4 / 4S cellphones tablets and laptops w/ bluetooth Other Features With voice indicating function: Power on: indicates Hello; Matching: voice indicates get into match status; Matches: indicates matched success; Cut off: indicates cut off; Low power: indicates power is not enough please charge; Power off: indicates goodbye; Full touch keys: play/pause volume+/- hands-free(short press: answer call long press: hang up); Powered by USB; With power switch and mini USB charging port at the bottom; OS: windows / Mac w/ bluetooth; Supports cellphones tablets Ipad Iphone w/ A2DP bluetooth; Size: 63 x 70.9mm Packing List 1 x Speaker 1 x USB cable (36cm)