1. Function: battery display, call function, NFC
2. Bluetooth protocol: 5.2
3. Channel: Stereo
4. Mode of use: earplug style
5. Whether single or double ear: bilateral stereo
6. Life time: about 10 hours
7. Impedance: 32 ohms
8. Standby time: about 500 hours
9. Headphone capacity: 37mAh
10. Battery capacity of charging compartment: 500mAh
11. Speaker size: 10mm
12. Frequency response: 20Hz-20KHz
13. AAC encoding has up to 24-bit audio data format, listening to CD record-like sound quality.
14. In-depth analysis of sound quality, with polymer bio-diaphragm, so that the sound quality is also impeccable to listen to the sounds of nature.
15. With noise cancellation and good RF and EMI suppression performance, high sensitivity, improve the call experience, even in noisy scenes, like face to face.