Audio Components Fabric Speaker Bluetooth Wireless Connection Outdoor Sports Stereo Support Tf Card Mobile Phone Universal Friends, please do not comment or open disputes when you encounter problems, find me as soon as possible, I will give you a satisfactory solution, thank you for your understanding Support bluetooth connection to play music, you can control the file up/down, volume and volume in the music player by the speaker, and you can transmit the sound when playing games and watching movies; 1.Digital MP3 player: support U disk, TF card, no need to switch, automatically read files and play after inserting TF card/U disk; 2.Built-in rechargeable lithium battery, can be used after charging; 3.Using 3W*1 speakers, combined with scientific acoustic structure design; 4.Adopt enhanced digital power amplifier IC, low power consumption, high power, strong, loud and clear sound 5.Multi-button control: volume, mode, etc. can be adjusted individually The product has 5 colors: silver gray/green/red/black/blue Package (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 Amplification frequency: 150~18000Hz (+-3dB) Speaker power: 3W*1 Battery: Built-in battery (rechargeable) 300mAh Product size: 118*78*39mm Control method: button / bluetooth Packing list: Bluetooth speaker*1 charging cable*1