GK-A31A
Bluetooth Version V6.0
Bluetooth Solution Jerry 7023D2
Audio Encoding Protocol SBC, AAC
Effective Range ¡Ý 10 meters
Earphone Battery Specification 25mAh Protection Board
Earphone Charging Time ¡Ö 1.5 Hours
Charging Box Charging Standard DC 5V1A
Approximately 3 Earphone Charging Times
Speaker Size Ø 13mm
Speaker Impedance 32 ¦¸¡À 15%
Frequency Response Range 20Hz~20KHz
Weight (Single Earphone) ¡Ö 3.2g
Weight (Complete Set) ¡Ö 32g
Supports Bluetooth Protocol HFP, A2DP, AVRCP
Signal Power Level Class 2
Operating Frequency 2.402 GHz-2.480GHz
Earphone charging voltage DC 5V ¡À 0.2V
Charging case battery specification 250mAh protective board
Charging case charging time ¡Ö 1.5 hours
Connection standby time ¡Ö 20H
Cumulative battery life about 12H
Speaker sensitivity 116 ¡À 3dB
Charging case size 52.2 * 52.2 * 27mm
Single headphone size 28 * 18 * 18.5mm
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