Specification : 

• Brand: Lenovo
• Style: In-Ear
• Vocalism Principle: Dynamic
• Control Button: Yes
• Active Noise-Cancellation: Yes
• Communication: True Wireless
• Volume Control: No
• Sensitivity: 105dB
• Wireless Type: bluetooth
• Is wireless: Yes
• Line Length: 0m
• Support APP: No
• Number Of Drivers: 2
• Plug Type: None
• Impedance Range: up to 32 Ω
• Connectors: None
• Model Number: LP12
• Bluetooth Version: 5.0
• Support Memory Card: No
• Resistance: 32Ω
• Waterproof: Yes
• Frequency Response Range: 20 – 20000Hz
• With Microphone: Yes
• Charging Method: Charging case