- Support Bluetooth connection to play music / audio, audio files can be controlled by the music player up / down song, volume, play games, movies can be transmitted sound; - Audio with a talk microphone, connected to Bluetooth, you can pick up and answer calls; - Digital MP3 player: support U disk, TF card, do not need to switch, insert TF card / U disk automatically read the audio file playback; - With radio function, FM high sensitivity stereo digital receiver function; - Built-in rechargeable lithium battery, rechargeable mobile use; - 3W * 1 speaker, combined with scientific acoustic structure design; - Adopt the enhanced digital amplifier IC, low power consumption, high power, loud and clear sound intensity strong - Multi-button control: volume, mode, etc. can be adjusted separately The product has 4 colors: gray / red / black / blue Packaging (English neutral) Accessories: Speaker + charging cable Parameter Description: - Charging voltage: DC 5V / 500mAh-1000mAh - Box Material: ABS green plastic + cloth network - FM frequency range: 87.5-108MHz - Expansion frequency: 150 ~ 18000Hz (+ - 3dB) - Speaker power: 3W * 1 - Battery: Built-in battery (charging type) 400mAh - Product Size: 10.3 * 9.4 * 9.4CM - Control method: button / Bluetooth