Lenovo TH40 Bluetooth Earphones

- Brand: Lenovo
- Style: On-ear
- Active Noise-Cancellation
- Senza fili with Bluetooth 5.0
- Waterproof
- Built-in microphone
- Dynamic vocalism principle
- 40mm driver diameter
- Frequency response range: 20 - 20000Hz
- Impedance range: over 100 Ω