[Comfortable and Flexible Earhook Designed for Sport: Unlike ordinary in ear headphones Poounur H9 wireless headphones are designed with soft flexible and secure fit ear hooks aimed at fully fitting your ears without falling out even for intense workouts. The secure-fitting silicone ear hooks and ergonomic design ensure your sport earbuds stay comfortably during exercise running and other outdoor activities. With 3 pairs of silicone ear tips (S M L) to fit a wider range of ears. Soft Ear Hooks Designed Specifically for Sports: Designed with flexible and soft ear hooks running headphones fit perfectly in your ears and stay focused on your exercise routine without worrying about falling out. To provide you with customized comfort 3 multiple sizes of ear tips(S/M/L) are available. At the same time the wireless headphones with earhooks have an IP7 waterproof rating which can resist sweat rain and minor water splashes during exercising gym cycling etc. Hi-Fi Sound Quality and Crystal Clear Call: The wireless ear buds incorporate 10 mm double-layer diaphragm drivers delivering sound with strong bass clear mids and bright treble. The unique stereo design gives you the perfect sound and you can feel the more realistic music. Whether you are indoors or outdoors you can enjoy a musical feast! Besides the built-in mic let your voice be transmitted with clarity and precision. Experience hassle free conversations free from ambient distractions. Bluetooth 5.3 Technology and Auto Connection: Adopting advanced Bluetooth V5.3 bluetooth headphones support HSP HFP A2DP AVRCP which offer you an unparalleled audio experience with faster transmission speed stronger connection stability and longer range of bluetooth(Up to 15m). Open the lid of the charging case the bluetooth earphones can be automatically connected to the previous paired device. Choose the Poounur wireless earbuds to worry-free today. Smart Touch and Powerful Compatibility: The exact touch position of the earbuds located in the upper part of the earphone surface. Simply touch the earphones wireless bluetooth to play/pause music change song volume +/- answer/end call and activate the voice assistant. Wireless earphones pair with smart devices via Bluetooth which works with Android 4.4 or iOS 8.0. (NOTE: Please wipe the metal parts of the headphones with a dry cloth after exercise to avoid corrosion by sweat.)]