Fit Design: In-EarCompatible Brand: UniversalWireless Technology: BluetoothBluetooth: Bluetooth 3.0Bluetooth Profiles: HSP/HFP/A2DP/AVRCPMaterial: ABSEffective Range: About 10m/33ftStandby Time: About 120 HoursPhone Talking Time: About 4 HoursMusic Time: About 5 HoursCharging Time: 1.5~2 HoursInput Voltage: DC 5VItem Size: 8.3 x 2.57 x 1.65cm/3.27" x 1.01" x 0.65" (Approx.)Note: The wire earphone can only compatible with the bluetooth headset to listen or talk， it can't connect your phone or tablet pc directly.Package Included:1 x Bluetooth Headset1 x Wire Earphone1 x Ear-hook1 x USB Charge Cable1 x English Instruction Manual