GK-E075A（Material version）
Bluetooth version V6.0
Bluetooth solution Jerry 6973D4
Audio encoding protocol SBC AAC
Effective range ≥ 10 meters
Headphone battery specification 35mAh
Headphone charging time ≈ 1.5 hours
Charging case charging standard DC 5V1A
Approximately 3 times for headphone charging
Speaker size Ø 12mm
Speaker impedance 18 Ω± 15%
Frequency response range 20Hz~20KHz
Weight (single headphone) ≈ 5.1g
Weight (complete set) ≈ 53g
Supports Bluetooth protocols HFP, HSP, A2DP
Signal power level Class 2
Operating frequency 2.4GHz
02 GHz-2.480GHz
Earphone charging voltage DC 5V ± 0.2V
Charging case battery specification 350mAh
Charging case charging time ≈ 1.5 hours
Connection standby time ≈ 40H
Cumulative battery life about 20H
Speaker sensitivity 119 ± 3dB
Charging case size 68.5 * 33 * 53.5mm
Single headphone size 28 * 22 * 28mm
The product normally includes one side with laser engraved logo and one side with parameters. If there is a silk screen requirement, the standard price is 0.3 yuan per side. Other requirements will be reported separately