Bluetooth Headset features: Exquisite fashion design. Support all Bluetooth devices. Super power saving. Anti-jamming, strong confidentiality. Then hang up, redial, reject a call, song up and down, mute function. Product Parameters: FM function 87.5-108.0MHz;Audio 3.5mm AUX line in;3.7V/300MAH LIPO battery inside; The Bluetooth version: V3.0;Play time 3-5hours.Our company offers a professional and reliable service for the provision of all your business gifts and promotional products, from artwork generation through to sourcing, production and distribution.