Bluetooth version / chip: v5.0 / Bestechnic BES2300IU.
Audio decoding protocol: SBC/AAC.
Frequency response: 20Hz~20kHz.
Transmission distance: ≥10m.
Headset battery: 40mAh.
Headset working time: 4 hours (music mode). 3 hours (calls mode).
Charging case battery: 500mAh.
Total working time: About 20 hours.
Headset charging time: About 1 hour.
Charging case charging time: About 2 hours.
Charging case input: DC5V / 0.4A.
Sizes: 49.5×42.4×29.6mm.
Weight: About 39.5g.
Waterproof rating: IPX4.
Certification: CE, RoHS, FCC, EAC, TELEC, BQB, UL62368 test report.
Feature 1: LED digital display.
Feature 2: ENC noise reduction, clear calls.
Feature 3: Support fast charge, charge for 10 minutes, use for 1.5 hours.
