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2023 New Air Conduction Earphones Tws Open Ear Headset Ear Hook Sport Earphones

chip: jl
frequency range: 2.4026ghz-2.480ghz
bt version: bt 5.1
operating range: up to 30 feet (10 metres)
charging case battery:400mah
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Chip: JL
Frequency Range: 2.4026GHz-2.480GHz
BT Version: BT 5.1
Operating range: up to 30 feet (10 metres)
Charging Case Battery:400mAh
Single Earbud Battery:35mAh
MP3 Playing Time: 3-5 hours with medium volume