Model: VK-TWS-13
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Technical Specifications
Bluetooth version: V5.3
Chipset:JL6973D4
Audio codec:SBC/AAC
Working distance:≧10meter
Driver size: 10mm
Frequency range: 20Hz－20KHz
Battery capacity for earbuds:25mAh
Battery capacity for charging case:320mAH
Battery type: Lithium-ion polymer battery
Working time on one charge:4H
Total working time with charging case: 24H
Charging time for earbuds:1H
Charging time for case:2H
Bluetooth frequency range:100Hz－10KHz
Charging interface: type-c
Size:57*52*26.9mm
Weight: 41.1g