Excellent Sound Quality: Qyzue bone conduction headphones use 16.2 mm dual speaker drivers to provide immersive stereo and balanced sound quality. allow you to hear the surroundings while enjoying the music Long-lasting Comfortable Fit: Qyzue open ear headphones adopt a Wraparound titanium frame design with ergonomic ear hooks, only 1 oz, to provide a comfortable fit that defies slips and shifts 10H Playtime & Fast Charge: Qyzue running headphones are equipped with a 200mAh large-capacity battery and Type-C fast charging. 1.5H full charge gives 10 hours of music play for all-day needs.A 10-minute fast charge enables 1 hour for temporary needs Stable Connection With Bluetooth 5.4: Qyzue bone conduction earbuds with Bluetooth 5.4 offer a stable connection with a 33ft range. Automatically reconnect to the last used device when powered on. To connect a new device, disconnect the paired device and then connect to the new device IPX55 Waterproof: Qyzue sport headphones have IP55