Brand Name: Lenovo Style: Tws in-ear headphones Vocalism Principle: Dynamic Origin: Mainland China Material: Plastic Communication: True wireless Volume Control: Yes Category: Earphones & Headphones Certification: CE Certification: FCC Number Of Drivers: 2 Impedance Range: up to 32 Ω Headphone Pads Material: Silicone Active Noise-Cancellation: No Sound Isolating: Yes Waterproof: No Frequency Response Range: 20 - 20000 Magnet Type: other Wireless Type: Bluetooth Resistance: 32 Package List: User Manual Package List: Charging case Package List: Charging Cable Control Button: Yes Driver Diameter: 10 Sensitivity: 96 Is wireless: Yes NFC Technology: No Connectors: Type c Earcups Type: Sealed Bluetooth Version: 5.3 Total Harmonic Distortion: 1 Charging Method: Charging case Max Output: 10 Function: for Video Game Function: For Mobile Phone Function: HiFi Headphone Function: Sport Function: For Outdoor Battery Capacity[mAh]: 350 Maximum wireless range[m]: <10m With Microphone: Yes Features: With microphone Features: Active Noice Cancelling Brand: Lenovo Model: Lenovo GM2 Pro Bluetooth version: V5.3 Bluetooth Connection Distance: 10M Music Time: Around 4-5 Hours Charging Time: Around 1.5 Hours Speak Unit: 10 mm Battery Capacity: 40mAh Usage Time: About 5 hours Earphones Charging Time: About 1 hour Earphones Frequency Range: 2.402-2.480KHz Choice: yes