Lenovo Thinkplus T40 Bluetooth 5.2 TWS Earphones 2022 Model

Lenovo Thinkplus T40 Bluetooth 5.2 TWS Earphones 2022 Model Specifications:Battery compartment capacity: 380mAh Charging time: about 1.5h Call life: about 4h Drive unit: 13mm dynamic Bluetooth transmission distance: 10m Speaker sensitivity: 101dB±3dB Headphone battery capacity: 30mAh Full-range audio reproduction Three-frequency balanced soundAbout products: