Outdoor Fabric Bluetooth Stereo Plug Card Portable Bluetooth Stereo Radio Features: Support Bluetooth connection to play music, you can control the file up/down song and volume in the music player by the stereo, you can transfer the sound when playing games and watching movies; Digital MP3 player: support U disk, card, no need to switch, automatically read the audio file playback inserting the card / U disk; With radio function, FM high sensitivity stereo digital reception; Built-in 300 mAh rechargeable lithium battery, can be used on the move charging; Using 3W speakers, combined acoustic structure design; The use of enhanced digital amplifier IC, low power consumption, high power, strong sound and clear, multi-key control: volume, mode, etc. can be adjusted separately Product Description: Product name: Bluetooth stereo Material: plastic + cloth mesh FM frequency range: 87.5-108MHz Reverberation frequency: 150~18000Hz (+-3dB) Speaker power: 3W*1 Battery: Built-in battery (rechargeable) 300mAh Size:4.64*3.07*1.53in Weight:0..26lb Included 1x Bluetooth audio 1x Data Cable