Lenovo LP12 TWS Bluetooth Dual Earbuds Lenovo LP12 TWS Bluetooth Dual Earbuds featured with Dynamic Vocalism Principle, Control Button, Active Noise-Cancellation, True Wireless connectivity, and Waterproof IPX5. This Lenovo LP12 TWS Bluetooth Dual earbud comes with 105dB Sensitivity, 0m Line Length, 2 Drivers, up to 32 Ω Impedance Range.