ASUS Stylus Headset Bluetooth 3.0 Phone & Stylus Pen for Padfone 1 Padfone 2

A stylus doubling as a headset Use it to scribble, draw, write, and pick up calls with absolute ease. The PadFone Stylus Headset even comes with its own alert system, where the PadFone vibrates and beeps to let you know when the Stylus Headset has been left behind!, Dimensions x 11.94 x 12.98 mm (WxDxH),Weight 26.48 g,Bluetooth Compliance Bluetooth 3.0 class II,Bluetooth IC Version CSR BC6145 ROM version,Bluetooth Profiles Supported Basic: HSP v1.1 / HFP v1.5,Performance Bluetooth v3.0 compliant Class II, the maximum radius of 10M distance (no obstacle)*,Operating Frequency 2400 GHz ~ 2484 GHz ISM Band,Operating Range 10 meters (33 feet),Charging Time < 1.5 hours,Talk Time 7 hours,Standby Time 240 hours,Charging Plug Micro-USB