Bluetooth headset with MP3 built in FM radio TF card support and Bluetooth wireless communication functions - Bluetooth version: Bluetooth V2.0 - Operation range: within 10 meters - Built-in MP3 player - FM range: 87~108MHz - External memory enlarge: TF card (Max 16GB) - Built-in rechargeable li-ion battery - Bluetooth standby time: about 200 hours - Charging time: about 3.5 hours - Package included: - 1 * MP3 Bluetooth headphone - 1 * AC220V power charger (EU plug) - 1 * 2.5mm to 3.5mm audio cable - 1 * USB Cable - 1 * Carrying pouch - 1 * English/Chinese user manual