Aluminium Material & Micro USB Bluetooth headset (BH033C) 1.Volume ... ,RoHS 4.Super Slim Aluminium Material & Micro USB Bluetooth headset for mp3(BH033C) Main Features1.Aluminium ... .In-ear Speaker4.CE, FCC,RoHS approval5.USB Charging Solution6.Colorful Housing7.Supports iPhone,iPad,skype ... due to users operation mode and device settings. Aluminium Material & Micro USB Bluetooth headset for mp3(BH033C)