S19 Heartful ENC noise cancelling BT headphones

1, Bluetooth 5.0, chip: Realtek RTL8763BMF 2. Battery capacity: 90mAh, charging for about 1 hour 3. Talk/music time: 9 hours 4. Standby time 200 hours 5. Size: L99*W67*H31mm; Net weight: 12g 6. Double-mark ENC noise reduction, clearer call 7.Support Chinese and English prompts, three-click multi-function key when not connected