A 4000mAh power bank and a Bluetooth speaker from the popular Odeon range are paired up in a 2-piece presentation box.nnpower bank: 12.3 ( l ) x 6.8 ( w ) x 1 ( h )4000mAhaluminiumincludes micro USB charging cablebattery: lithium polymer batteryinput: 5V/1Aoutput 1: 5V/2.1Aoutput 2: 5V/1Acycles: <300 cyclesrecharge:5 hoursdischarge:<1.5 hoursnbluetooth speaker: 5.5 ( h ) x 7 x ( dia )V4.2 + EDR wirelessaluminium & ABSrecharges via USB cable ( included )10m visible distancesupports playback from smartphones, tablets or most other Bluetooth compatible audio devicesFM radio modeTF card functionUSB slot with AUX slotbuilt-in microphone supports call pick-upplaytime: 1-2 hoursrecharge Time: 1 hourbattery: 300mAh internal, rechargeable Li-polymer batterynpresentation box: 22.5 ( l ) x 9 ( w ) x 6.5 ( h )