... ''x2 2.Output power:2x3W 3.Hifi mini digital speaker 4.SNR:75dD Mini Digital Speaker Portable,2.0 USB Powered Speaker ... :3.5 stereo input, fit for Mp3,mp4,moblie phone,laptop,computer,pad,your best mini digital speaker Digital audio decoding chip ... inside, pure tone, original CD quality enjoyment, tasty life style. Company:ITECH INDUSTRIAL LIMITED ...