Brand Name: QCY QCY Model: T17 Style: Wired in-ear headphones Vocalism Principle: Balanced Armature Origin: Mainland China Material: Plastic Communication: Wired Volume Control: Yes Category: Earphones & Headphones Certification: CE Impedance Range: up to 32 Ω Headphone Pads Material: Silicone Active Noise-Cancellation: No 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 Is wireless: Yes Connectors: USB Earcups Type: Sealed Bluetooth Version: 5.3 Total Harmonic Distortion: 2 Charging Method: Charging case Support Memory Card: No Support APP: Yes Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: For Outdoor Function: For Office Function: For Study Maximum wireless range[m]: 10m-20m With Microphone: Yes Features: Playback Control Feature: Bluetooth V5.3 Feature4: Mini Ultra-light 4.2g Talk time (h): 4.5h With the charging box battery life time (h): 26h Feature1: ultra-low latency Feature2: 26 hours Long battery life Feature3: Stereo HIFI sound wireless headphones: earphone earphone bluetooth: bluetooth wireless headphones headphones wireless: earphones bluetooth wireless wireless earbuds: earphon bluetooth tws earbuds: bluetooth wireless headphones bluetooth earphone: qcy t17 Choice: yes