OEM Motorola Mini USB Stereo Hands-Free Headset for Motorola RAZR KRZR SLVR PEBL RIZR Tundra VA76r SYN1301 Brand New Factory Sealed mp3 player headset On/Off Switch, Built in microphone Compatible with GSM based Motorola model Model such as K1m and V3m from Verizon and Alltel are not compatible Have hassle free communication