Brand New Free Delivery Island wide 3 years local warranty DIMENSIONS Diameter: 135mm. Height: 40mm. Weight: 330 g WATERPROOF IPX7 rated: UE ROLL can be immersed in liquid up to 1m for up to 30 minutes. AUDIO Maximum Sound Level: 85dBA. Frequency Range: 108Hz – 20kHz. Drivers: One 2” driver and Two ¾” tweeters. POWER Rechargeable Lithium-Ion Battery for up to 9 hours of battery life between Micro USB charges. Actual battery life will vary with use, settings and environmental conditions. Charge time: 5.5 hours WIRELESS CAPABILITIES Pair up to 8 Bluetooth ® enabled devices – Connect up to two source devices at the same time. Wirelessly play (stream) to 2 UE ROLL 2s from one source. Mobile range of play is up to 30m or (100 ft). COMPATIBILITY For Audio Playback - Smartphones, tablets and other devices that support Bluetooth® wireless audio profile [Advanced Audio Distribution Profile (A2DP)] or 3.5 mm audio output.