Altavoz Bluetooth portátil con memoria USB, altavoz de tela inalámbrico cuadrado para ciclismo al aire libre, regalo

-Bluetooth connection can play music/audio, and the audio player can control the up/down of files, volume, and transmit sound while playing games or watching movies; --Digital MP3 player: USB drive, TF card, no need to switch, automatically reads audio files and plays them after inserting TF card/USB drive; --Equipped with radio function and FM high-sensitivity stereo digital reception function; --Built in rechargeable lithium battery, which can be moved for use after charging; --Adopting 3W * 1 speaker and combining scientific acoustic structure design; --Adopting enhanced digital amplifier IC, low power consumption, high power, strong sound intensity, loud and clear --Multi button control: volume, mode, etc. can be adjusted separately The product comes in 5 colors: gray/green/red/black/blue ● Packaging (neutral in English) accessories: speaker+charging cable ● Parameter description: -Charging voltage: DC 5V/500mAh-1000mAh --Box material: plastic+cloth mesh --FM frequency range: 87.5-108MHz --Spread frequency: 150-18000Hz (+-3dB) --Speaker power: 3W * 1 --Battery: Built in battery (rechargeable type) 300mAh --Product size: 11.2 * 8 * 3.5CM --Control mode: button/Bluetooth --Packing specification: 100 pieces/box, outer box size 43 * 29.2 * 42.3C, gross weight: 12KG