Ring Doorbell Elite- (POE)

Connection: Bluetooth V4.1Available Color: Black, White & PinkBattery Type: Polymer Lithium BatteryImpedance:16 OhmSensitivity : 101+-3dBCapacity:100mAh BatteryTalk time: about 6 hoursTime: about music 5 hoursTime: up to180 hours Stand-byBluetooth Distance: 10mCharging Voltage: 5VWorking Voltage: 3.7VMaterial: ABS+PCTransmitted Power: Class 2Working Frequency: 2.402-2.480GHz