Tai nghe không dây thể thao X21S Bluetooth 5.0 có hộp sạc tiện lợi
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thứ bảy 29/05/2021 lúc 10:24 CH
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2.All items here are ready stock
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Specification：
Name: TWS dazzling bluetooth earphone
Model: X21S
Color: black,white
Bluetooth version: Bluetooth V5.0+BR+EDR+BLE
Bluetooth protocol: a2dp/avctp/avdtp/avrcp/hfp/spp/smp
Frequency range: 2402MHz-2480MHz
Modulation system: GFSK/DQPSK; Max Power output :+4dBm
Focs: 24MHZ
CPU frequency: 96MHZ
Power supply: DC2.2V-5.5V
SNR: ≥92dB
Effective distance: no barrier 10m
Frequency response: 20HZ-20KHZ
Sensitivity: 98dB
Nominal Indepedance: 32Ω
Transmission power:Class 2
Battery capacity: 50mAh
Power supply: 5V/500mA
Charging time: about 1 hour
Service time: making telephone call 8 hours, playing music 5-8 hours
Standby time: 20-30days
Features
1. Ergonomically designed, comfortable from the inside out , gentle to each ear
2. Clear stereoscopic, sound effects are transmitted synchronously,effectively isolating external noise
3. Mini portable charging case, strong power reserve,long-lasting battery life, no worry about going out
Package Include：
1 pair earphone
1 data line
1 Keychain
1 charging case
2.All items here are ready stock
3.Quality Checked before ship out
4.Finally,if you have any question,pls chat with us,I will be responsible for every one of my customers!
5.Thank you,have a nice shopping !
Specification：
Name: TWS dazzling bluetooth earphone
Model: X21S
Color: black,white
Bluetooth version: Bluetooth V5.0+BR+EDR+BLE
Bluetooth protocol: a2dp/avctp/avdtp/avrcp/hfp/spp/smp
Frequency range: 2402MHz-2480MHz
Modulation system: GFSK/DQPSK; Max Power output :+4dBm
Focs: 24MHZ
CPU frequency: 96MHZ
Power supply: DC2.2V-5.5V
SNR: ≥92dB
Effective distance: no barrier 10m
Frequency response: 20HZ-20KHZ
Sensitivity: 98dB
Nominal Indepedance: 32Ω
Transmission power:Class 2
Battery capacity: 50mAh
Power supply: 5V/500mA
Charging time: about 1 hour
Service time: making telephone call 8 hours, playing music 5-8 hours
Standby time: 20-30days
Features
1. Ergonomically designed, comfortable from the inside out , gentle to each ear
2. Clear stereoscopic, sound effects are transmitted synchronously,effectively isolating external noise
3. Mini portable charging case, strong power reserve,long-lasting battery life, no worry about going out
Package Include：
1 pair earphone
1 data line
1 Keychain
1 charging case