1.Digital MP3 player: support U disk, TF card, no need to switch, automatically read audio files and play after inserting TF card/U disk; 2.Built-in rechargeable lithium battery, can be used after charging; 3.Using 3Wx1 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 Fabric Speaker Bluetooth Wireless Connection Portable Outdoor Sports Audio Stereo Support Tf Card Mobile Phone Universal Support bluetooth connection to , 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 ; Charging voltage: DC 5V/500mAh-1000mAh FM frequency range: 87.5-108MHz Amplification frequency: 150-18000Hz (+-3dB) Speaker power: 3Wx1 Battery: Built-in battery (rechargeable) 300mAh Control method: button / bluetooth Colour:Red Material:ABS+Rubber Oil+Canvas Package Contents: 2 x Bluetooth speaker 2 x charging cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.