Main Features: Open Ear Design, More Comfortable Wearing.Air conduction open audio, 360 Panoramic Sound Experience. More comfortable to wear without in-ear, No pain after wearing for a long time. Super Stable, Never Shake Off. A titanium wire creates a balanced body, with an ergonomic design, don"'"t be afraid of dropping off when exercise,such as running,cycling and skateboarding. No Sound Leakage,To protect privacy.Open both ears, contact the natural sound of the outside world without revealing the voice of the call, and protect the call privacy. 17*12mm bio-diaphragm dynamic driver.Working with super large bio-diaphragm speaker, the special bass tube design provides wide and dynamic sound. 10 Hours Playtime and Quick Charge.Enjoy your audio all day long with 10 hours of playtime. Magnetic fast charge can quickly top up the headphones. 150Hrs Stand by time. Bluetooth 5.3. Low Power, Low Latency, Lossless Music Transfer, and more stability. 4 Mic+ ENC Call Noise Cancellation.Equipped with 4 microphones and ENC, outdoor ambient noise can be blocked as well. More Features: I PX6 Waterproof, hands-0call microphone, hearing protection, 22g lightweight design, Support QCY APP, Voice assistant, Game Mode. Open Ear Design, More Comfortable Wearing.Air conduction open audio, 22G lightweight, more comfortable to wear without in-ear. Comfortable ear protection, no pain after wearing for a long time. Super Stable, Never Shake Off. A titanium wire creates a balanced body, with an ergonomic design, don"'"t be afraid of dropping off when exercise, such as running, cycling and skateboarding. 17*12mm bio-diaphragm dynamic driver.Working with super large bio-diaphragm speaker, the special bass tube design provides wide and dynamic sound. No Sound Leakage,To protect privacy.Open both ears, contact the natural sound of the outside world without revealing the voice of the call, and protect the call privacy. 10 Hours Playtime and Quick Charge.Enjoy your audio all day long with 10 hours of playtime. Magnetic fast charge can quickly top up the headphones. 10 minute charge can provide 3 hours playtime. 150Hrs Stand by time. 4 Mic+ ENC Call Noise Cancellation.Equipped with 4 microphones and ENC, outdoor ambient noise can be blocked as well. Upgraded Bluetooth 5.3 Chip Low Power, Low Latency, Lossless Music Transfer, and more stability. QCY APP Available You can find more functions on App. Customizable control EQ Game mode Find headphones Easy to Operate There are 3 Multi-Function Buttons on the headphone, corresponding to various functional operations, the operation is very simple and convenient. Parameters: Product name: QCY Crossky Link Certified modelBH22QT22A Pairing name: QCY Crossky Link Available system: iOS/ Android Bluetooth version: V5.3 Transfer distance: 10M Playback: Approx. 10h(Listening time); approx. 8h(Calling time). Bluetooth profiles: HFP/A2DP/AVRCP Charging port: magnetic Water proof: IPX6 Weight:22G Headphone size: 106.8x43.3x132.9mm *For best compatibility, we recommend you to connect the headphones to phone rather than computer.