GK-D18
Bluetooth version V6.0
Bluetooth solution Jerry 6983D2
Audio coding protocol SBC
Effective range ¡Ý 10 meters
Headphone battery specification 30mAh protection board
Headphone charging time ¡Ö 1.5 hours
Charging case charging standard DC 5V1A
3 times for headphone charging
Speaker size Ø 13mm
Speaker impedance 32 ¦¸¡À 15%
Frequency response range 20Hz~20KHz
Weight (single headphone) ¡Ö 3.64g
Weight (whole set) ¡Ö 37.6g
Supports Bluetooth protocols HFP, A2DP, AVRCP
Signal power level Class 2
Working frequency 2.4G Hz
Earphone charging voltage DC 5V ¡À 0.2V
Charging case battery specification 300mAh protective board
Charging case charging time ¡Ö 1.5 hours
Connection standby time ¡Ö 40H
Cumulative battery life about 17H
Speaker sensitivity 113 ¡À 3dB
Charging case size 62.8 * 45.5 * 26.7mm
Single headphone size 31.5 * 22.7 * 22.3mm
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