Boompods Downdraft Bluetooth Speaker Portable Wireless 3W speaker 6 hours playback (Blue) Despite its compact size, this rechargeable Bluetooth Speaker has awesome sound quality Uses Bluetooth v3.0 transmission with an operating range of up to 10 metres. It also supports wired media devices with a 3.5mm audio cable. No batteries required with a built-in rechargeable lithium battery The downdraft is lightweight and small enough to fit in a backpack, briefcase or handbag Its unique pod form gives immense sound with a 3W speaker and up to 6 hours playback