L21 TWS Earbuds Bluetooth 5.0 Headset True Wireless Stereo Earphones Waterproof Mini Sports In-Ear Headphones with Microphone
Specification:
IC model: 5376T2
Bluetooth version: V5.0
Supported protocol: A2DP/AVRCP/HSP/AVDTP/HEP
Compatible devices: for Xiaomi, for Samsung, for Apple, for Huawei, for OPPO, for Lenovo, tablets and other Bluetooth devices
Bluetooth frequency: 2.402GHz-2.408GHz
Battery type: polymer battery
Signal to noise ratio: 90dB
Sensitivity: 90.5dB
Transmission distance: more than 10 meters
Control method: button
Earbud battery capacity and model: 50mAh/501015
Charging case battery capacity and model: 300mAh/602030
Playing time: 4 hours
Earbud charging time: 1 hour
Charging case charging time: 1 hour
Driver unit: 8mm 32Ω
Audio range: 20Hz-20kHz
Channel: True Wireless Stereo (TWS)
Distortion: less than 1%
Earbud weight: 9g
Charging case weight: 36g
Gross weight: 77g
Packing size: 10*10*3.3cm/3.94*3.94*1.30"
Color: Black, White, Pink (Optional)
Charging port: USB port
Note:
1. There may be slight size deviations due to manual measurement, different measuring methods and tools.
2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.

Included:
1 Pair X Earbuds
1 X Charging Case
1 X USB Cable
1 X Manual