QCY Crossky GTR2 Open Ear Headphones Bluetooth 5.4 Wireless Earbuds by QCY deliver everyday open-ear wireless earbuds performance with a balanced sound and a comfortable fit. Key highlights: Bluetooth 5.4, 14.8mm drivers, IPX5 water resistance, Long battery life, Clear calls. Designed for music, calls, and commuting across phones, tablets, and laptops. Actual battery life, water resistance, and feature availability vary by model and usage. If you need ANC, gaming mode, or higher water protection, check the specifications on this page. 360° Stereo Surround Sound & Bass Boost 2.0] Thanks to the smart spacial space sound algorithm, QCY Crossky GTR2 earbuds deliver a perfect ambience. Special bass tubes are applied to add driver unit weight and reduce resonance frequency, making bass richer like ever. With 14.8mm energy-gathered dynamic driver unit, these earbuds can bring about open sound stage.Design for Sports &