Y2 HiFi Bluetooth 5.3 Audio Receiver Lavalier 3.5mm Audio Call Converter Support TF Card Playback 1. Battery capacity: 200mAh 2. Usage time: about 16h 3. Charging time: about 2h 4. Charging interface: Type-CUSB-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