1. Battery capacity: 200mAh
2. Usage time: about 16h
3. Charging time: about 2h
4. Charging interface: Type-C/USB-C
5. Bluetooth version: 5.3
6. Transmission distance: about 10m
7. Transmission rate: 360Mbps
8. Operating frequency: 24MHz
9. Output interface: 3.5mm audio
10. Support formats: MP3, WMA, WAV, FLAC, APE and other lossless music
11. Size: about 6.6 x 1.8 x 2cm

Features:
1. Wired headphones into wireless Bluetooth headphones, listen to songs / watch videos / study / game multi-scene use
2. Bluetooth wireless connection more convenient, cell phone connected to the car stereo, wirelessly play audio, the music in the phone can listen to
3. Wide compatibility, a variety of devices, plug and play
4. Built-in antenna to enhance the signal, about 10 meters of unobstructed long-distance transmission, signal more stable
5. Bluetooth 5.3, call DSP noise reduction, signal transmission without distortion
6. Multi-device multi-scene use, connector removable design, so that the audio / amplifier, wired headphones, headphones and other devices without Bluetooth, to achieve the Bluetooth function
7. TF card slot design, support memory card (not included) playback, a variety of playback options
8. lapel clip design, can be clamped on the cloth, stable not to fall
9. 3.5mm audio interface, can be plugged into headphones, audio, multi-purpose