Features:-2 in 1 design. bluetooth sound box + fan.-Compact size. Portable.-3 speeds of fanSpecifications:Colors: Blue, PinkMaterial: PlasticParameter of Fanbluetooth: 4.1Output Power: 4WCharging Input: DC 5V-0.8A (Max)Battery Capacity: 2000mAh lithium batteryUsing Time: 3-13 hoursSize:about 223mmx105mmx42.5mm / 8.78''x4.13''x1.67''Output Voltage: 9VParameter of Sound Boxbluetooth: 4.1Frequency Response Range: 280Hz-10KhzPlayback Time: 20 hoursSignal Range: Within 30MOutput Power: 3WSignal-to-noise Ratio: ≧75dBPackage Included:1 x bluetooth Sound Box FanNote:-Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.-Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.