MK-031A(Digital Display)
Bluetooth version V6.0
Bluetooth solution Jerry 6973D4
Audio coding protocol SBC
Effective range ¡Ý 10 meters
Headphone battery specification 50mAh protection board
Headphone charging time ¡Ö 2 hours
Charging case charging standard DC 5V1A
Approximately 3 times for headphone charging
Speaker size Ø 10mm
Speaker impedance 32 ¦¸¡À 15%
Frequency response range 20Hz~20KHz
Weight (single headphone) ¡Ö 4.4g
Weight (whole set) ¡Ö 45g
Supports Bluetooth protocols 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 450mAh protective board
Charging case charging time ¡Ö 2 hours
Connection standby time ¡Ö 40H
Cumulative battery life about 24H
Speaker sensitivity 112 ¡À 3dB
Charging case size 64.5 * 27.2 * 51.5mm
Single headphone size 27.2 * 22.2 * 27.4mm
Non selling regions: Japan - Amazon. The product normally includes one side with laser engraved logo and one side with parameters. If there is a silk screen requirement, it is usually 0.3 yuan per side. Other requirements will be reported separately