Product Features: ◆ Adopt Bluetooth 5.1 chip design, stronger compatibility and stability. ◆ Upgrade the NFC function, and the mobile phone sensor can be connected with one touch. ◆ With indicator li more→ght, soft and not glaring. ◆ Built-in 500mAh rechargeable lithium battery, continuous listening to music for about 12 hours, battery life up to 30 days. ◆ Support U disk/TF card playback, Audio decoder, easy to read various audio format files, lossless transmission.Support MP3/APE/FLAC/WMA/WAV format. ◆ Support 5~8 meters red private model external remote control, mode/signal/volume/up and down song/mixing/microphone and other operations.(NOT SUPPORT POWER ON) ◆ Built-in 6.5mm high-definition microphone, wh…