awei T52 ANC TWS Gaming Bluetooth Eafbuds 1. Bluetooth version: Jerry AC7003D8 V5.3 2. Battery capacity: 35mAh x 2 (without protection board, headphone board lithium battery protection IC) 3. Charging compartment battery capacity: 300mAh (with protective board) 4. Charging time: 1.5H 5. Call duration: 7H 6. Play time: 6H 7. Standby time: 300H 8. ANC noise reduction depth (4-mic call noise reduction): greater than -30dB 9. ENC noise reduction depth (4-mic call noise reduction): greater than -40dB 10. Novel appearance, sprayed with metallic paint on the surface and cool colorful breathing lights in the charging compartment; 11. DNS call noise reduction; 10 minutes of charging, 180 minutes of listening to music 12. PX6 level waterproofsweat-proof function 13. Support protocols: HSP, HFP, A2DP, AVRCP 14. Drive unit: diameter 10mm 15. Speaker sensitivity:110+-3dB 16. Speaker impedance: 32ohms 17. Input charging standard: DC 5V 18. Bluetooth operating frequency: 2.402GHz-2.480GHz 19. Frequency response range: 20HZ-20000HZ 20. Maximum transmission distance: 10M 21. Voice prompt: Support 22. Multipoint connection: Not supported 23. Wearing method: In the ear 24. Interface: TYPE-C