High Quality Material: Silicone + ABS Dimensions: 85 x 85 x 45 mm Weight: 105 g Battery life: 5 hrs Control method: Touch Power source: Battery Powered Battery Voltage: 3.7V 600Mah Charging time: about 4 hrs USB charging port Transmission range: approx 8-10 m Connectivity technology: Bluetooth Small, light & portable Water resistant casing & extra strong suction cap - Can be enjoyed in the shower, pool, beach, party, camping, etc. Compatible with almost all devices with Bluetooth - Only supports Bluetooth version 2.1 to 4.2 Function: volume up / volume down / fast forward (skip) / backward / pause / play / power button /Hands-free call, Built-in Microphone