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New Sell Leather Surface TWS headsets

version: jl 6973d v5.1
transmission distance: 10-15meters
headphone battery: 30mah
charging case battery:230mah
frequency response:2.42-2.48ghz
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Version: JL 6973D V5.1
Transmission distance: 10-15meters
Headphone battery: 30mAh
Charging case battery:230mAh
Frequency response:2.42-2.48GHZ
Charging voltage: DC4.75-5.25
Charging time:About 1H
Work time: About 3-4H
Standby time: About 60days
Material:ABS
Color:Black,White