... Charger Time: 3 hours max9.Last Time: 4hours (via bluetooth to play)10.Driver Unit: 40mm, 4 Ohm ,3W11.Dimension:(L)55MM ... 10 meters from the speakers, wirelessly stream music from any Bluetooth-enabled device such as your mobile phone, notebook, iPhone or ... Touch 4G, iPad, Android (with latest operating platform) and other bluetooth devices10.Inbuilt lithium battery with 3 hours working time11.Aluminium ...