BT version / chip: v5.4 / JL7016G8.
Audio decoding protocol: SBC/AAC.
Frequency response: 20Hz~20kHz.
Transmission distance: ≥10m.
Earbuds battery: 45mAh.
Headset working time: About 5 hours (50% volume).
Charging case battery: 400mAh.
Total working time: About 20 hours.
Charging time: Earbuds: about 1.5 hours.
Charging case: about 2 hours.
Charging case input: USB-C, DC5V / 0.4A.
Size: 61.6*75*25.6mm.
Total weight: About 52g.
Waterproof rating: IPX4.
Certification: CE, FCC ID, ROHS, EAC, SRRC, UN38.3, MSDS, air and sea freight report.
Feature 1: Ear-hook stereo earbuds.
Feature 2: The headset can be used for 1 hour of music after charging for 10 minutes.
Feature 3: Sound-proof open sound field.
Feature 4: Dynamic bass enhancement.
Feature 5: Extremely lightweight and ultra-thin charging case.
Feature 6: Call noise cancellation.
Feature 7: Stable wearing.

1x FA005 Acefit SE Wireless Earbuds