Brand SENICC Model SN-430i Colors Black Quantity 2 Type Portable Material ABS Total Power 3W x 2 Impedance 4ohm Signal to Noise Ratio(SNR) >/=65dB Channels 2 Power Supply Rechargeable Plug Type US Plug Interface USB / 3.5mm jack Other Features Creative petals design adds vitality and dynamic power; USB powered speaker no required of other extra power supply High quality sound performance compatible with MP3 MP4 Cell phone & PDA and other device with 3.5mm jack; Cable length: 75cm cable between speakers: 51cm Packing List 2 x Mini speaker 1 x Chinese user manual