【Air Conduction】：Air conduction technology is used in open-ear Bluetooth wireless headphones to transfer sound through the air directionally, just like someone singing in your ear. Ordinary headphones cause ear pain if wear for long time, open-ear design allows for all-day comfort wear and will not cause damage to your ear canal.

【Open-ear Design,90 °Rotatable Earhook,Multiple Scenarios】：True Open-ear Design,90° Rotatable Earhook,Adjustable Free to Wear,Flexible Fit for outdoor indoor sports,and for the distinctive Design,QCY Crossky GTR win the 2022 Muse Design Awards.

【Bluetooth 5.3 Chip】:The Latest Bluetooth 5.3 technology makes the wireless earbuds more faster and stable connection while you open the charging case cover and provides stronger signal for calling and listening to music.

【Bass Compensation】:Sound leakage Proof Technology,Protect Personal Privacy,QCY Crossky GTR based on human hearing characteristics, use a special algorithm to boost bass,so you can feel every punchy drumbeat.

【Ultra-long Battery Life】:Crossky GTR Eearbud has a 75mAh battery Capacity ,Charing Case has a 600mAh battery Capacity,About 6h （Battery life with one full charge), About 24h (Use with the charging case).

【17*12mm Large Biomembrane Driver】：With large vibration area and higher sensitivity,the racetrack-shaped driver delivers pure vocals at a wide sound stage, so you can enjoy special  hifi sound surrounded.

【Clear Calls &4 Mic ENC call noise Cancellation】:Each headset has 2 built-in microphones, equipped with Environmental Noise Reduction (ENC) technology that can suppress 80% of the interfering background noise in the calling environment, intelligently enhances human voicethrough the four microphones, making communication more efficient.

【70ms Low Latency,Suppport Game Mode 】: 70ms low latency to offers ideal gaming audio and makes synchronizes the audio to the video. Immersed in an exceptional competitive gaming experience through quick sound effect audio.

【Protect Personal Privacy】:With privacy patented technology, which makes calls more private without worrying about privacy disclosure.

【Smart-Touch Control,Customized APP】:Touch control for music switch,phone calls, voice assistant,Custom EQ via QCY App,Pairing pop-up,sleep mode,set your own earbuds,free gift for lanyard & buckle.

【IPX5 Waterproof】:With IPX5 waterproof,shrugs off sweat and sprinkles,you can wear QCY Crossky GTR even in a rainy day.