USAMS BU12 TWS Half In-Ear Bluetooth 5.1 Wireless Earphones(Green) Tag-IC for iPhone The transparent RJ45 body makes

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USAMS BU12 TWS Half In-Ear Bluetooth 5.1 Wireless Earphones(Green) Tag-IC for iPhone The transparent RJ45 body makes1. Upgraded BT 5. 1, fast and stable connection. 2. Dual channel stereo, immersive HiFi sound quality. 3. Built in microphone, sensitive touch control. 4. Transparent shell, unique macaron color. Parameter: 1. Material: ABS+PC 2. BT version: 5. 1 3. Connection range: <=12 meters 4. Speaker diameter: 13mm 5. Speaker sensitivity: 115 + 3dB 6. Speaker Impedance: 32ohm 7. Speaker frequency response: 20Hz~20KHz 8. SNR: >70 9. Earbud weight: about 3g x2 10.