... rechargeable battery 4, red, blue, grey, black WIRELESS MINI SPEAKERS Model Number: Q10-B Bluetooth version: V2. ... audio connectivity to multiple audio hostsl Compact, mini, lightweight, portable speaker systeml Up to 5 ... Dual power supply: internal rechargeable lithium ion battery, Mini USB power input with charging capabilityPacking: (Gift ... Connect it and play music wireless WIRELESS MINI SPEAKERS