Brand TUNEWEAR Model X9 Colors Pink + white Quantity 1 Type Portable Material ABS Total Power 2.2W Impedance 4ohm Signal to Noise Ratio(SNR) >=89db Channels 1 Power Supply Rechargeable Built-in Battery 300mAh Plug Type USB Powered Interface Mini USB Other Features Speaker diameter: 36mm; Charging time: About 2 hours; Continuous playing time: 8 hours; Charging voltage: 4.2V; Operation temperature: 0'C~40'C; Portable and convenient to connect Ipod Iphone and other audio devices; Built-in rechargeable lithium battery; Charging with USB power cable; Enjoy the music anytime anywhere. Certification CE / FCC / RoHS Packing List 1 x Speaker 1 x USB to 3.5mm / mini USB retractable cable (Max. 80cm) 1 x English / Japanese user manual