This neatly packaged gift set brings you a black Bluetooth speaker combined with a 4000mAh power bank in a choice of colours.power bank: 11.5 ( l ) x 6.8 ( w ) x 0.6 ( h )4000mAhABSincludes micro USB charging cablebattery: lithium polymer batteryinput: 5V/0.5Aoutput: 5V/1Acycles: <300 cyclesrecharge: <3 hoursdischarge: 5 hoursBluetooth speaker: 12 ( l ) x 4 x ( w ) x 5.5 ( h )V4.0ABSrecharges via USB cable ( included )10m visible distancesupports playback from smartphones, tablets or most other Bluetooth compatible audio devicesTF card functionUSB portplaytime: 3 hoursrecharge time: 2 hoursbattery: 300mAh internal, rechargeable lithium-polymer batterypresentation box: 16 ( l ) x 16.5 ( w ) x 6 ( h )