http://www.whaaky.com/Product?did=MTQy FREE shipping Zebronics ZEB-BH500 bluetoothheadset is compatible with handsets, media players, tablets and laptops. It is a lightweight headset powered by a rechargeable polymer lithium ion battery. It features a design to ensure increased reliability, stability and overall lifetime of the accessory. Bluetooth Wireless Connectivity 3 hours talktime Wireless headset 80 hours Stand-by time In-the-ear Headset2-3 hours charging time Clip-on Design10m Wireless Range Built-in Microphone 2.4 Ghz Wireless Frequency Response 2.1 + EDR Bluetooth Version LED indicator Volume Up/Down Built in battery Switch between call and music 110-240V power supply