Material: Plastic Category: Earphones & Headphones Earcups Type: Semi-open Number Of Drivers: 2 Charging Method: Charging case Headphone Pads Material: Other Magnet Type: Other Driver Diameter: 13mm Total Harmonic Distortion: 5% Impedance Range: from 33 to 100 Ω Bluetooth Version: 5.0 Package List: Charging Cable Codecs: AAC With Microphone: Yes Is wireless: Yes Support APP: No Support Memory Card: No Waterproof: Yes Resistance: 32Ω Line Length: 0m Frequency Response Range: 20 – 20000Hz Sensitivity: 96dB Plug Type: Line Type Function: Sport Active Noise-Cancellation: Yes Volume Control: Yes Control Button: No Vocalism Principle: Dynamic Wireless Type: bluetooth Connectors: Type c Communication: Wireless Style: In-ear Certification: FCC Origin: Mainland China Brand Name: Lenovo Note: The factory has upgraded the headset Bluetooth chip version for 5.3, shipping warehouse there are still some stock of the headset Bluetooth version for 5.0, the warehouse will be randomly shipped, if you mind, Please place your order carefully. Feature : 1. Strong signal connection stability and low latency, universal for Apple and Android phones 2. Equipped with double vibrating tympanic membrane, 13mm large moving coil speaker, clear treble and deep bass 3. In-ear design, better noise reduction effect 4. Support voice call, binaural high-definition call, with environmental noise reduction function and clear and no noise 5. The headset is touch-operated, you can switch the upper and lower music, increase and decrease the volume, answer the call and wake up the voice assistant on the headset 6. Adopting life-level waterproof design, no fear of splashing from sweat and rain, and accompany you when you travel outdoors at any time