Features:Material: ABSType: Bluetooth Car KitMounting: sun visorOutput: Bluetooth.Input voltage: 5 (V).Bluetooth 3.0 Built-in 600ma lithium batteryOperating range : 10 metersFrequency : 2.4 GHzRechargeable Lithium-Ion batteryVoice recognition dialling (with supporting phones)Talk time : 20 hoursStand-by time : 1000 hoursCharge time : about 3 hoursDimension: 129mm(L) x 49mm(W) x 14mm(H)/5.07inch(L) x 1.92inch(W) x 0.55inch(H)Advantage:Classic design and stable quality.Winds noise reductionVoice report stateReplaceable batteryPair with 2 phone at the same time and stand byAuto power off Package includes:1 x Bluetooth Hands free Speakers1 x Car Charger1 x USB cable1 x User Manual1 x Iron Holder