WATERPROOF IPX7 rated: ROLL 2 can be immersed in liquid up to 1m for up to 30 minutes. BLOCK PARTY Block Party lets you and your friends all play music through ROLL 2. POWER With a battery life of up to 9 hours, you have no excuse to stop the party. WIRELESS RANGE ROLL 2 plays music up to 30m or (100 ft). WIRELESS CAPABILITIES Pair up to 8 Bluetooth® enabled devices – Connect up to two source devices at the same time. Wirelessly play (stream) to two ROLL 2s from one source. 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.