P47 Wireless Bluetooth Headphone Mic TF Card FM Radio

wireless earphones * TF Card port * Multi colors optional Materials: ABS + Plastic Bluetooth version: 4.2 wireless transmitter standard of class II Frequency coverage: 2.402~2.480GHz ISM band Sensitivity: -80dbm Transmit range: up to 10m Channel: 79 channels of 1MHz, B/W Contact terms: Point-to-Point Support Format: MP3 WMA WAV Built-in Li-ion Battery (charged via USB) Main Function: Bluetooth flexible headset for use with mobile phones or computers Bluetooth version: 4.2 wireless transmitter standard of class II