Lenovo LP1Pro Half In-Ear HD Call Wireless Bluetooth TWS Sports Earphone(Blue)

1. Bluetooth version: 5.12. Frequency: 2.402GHz-2.485GHz3. Transmission distance: 8-10m4. Frequency response range: 20Hz-20KHz5. Speaker impedance: 32 Ohm – / + 15%6. Horn sensitivity:104dB – / + 3dB7. Charging interface: Type-C8. Charging case capacity: 250mAh9. Headphone capacity: 30mAh x 2