✓ PREMIUM HD AUDIO PERFORMANCE - ST Wireless Sports Bluetooth Headphones BH01 are equipped with Bluetooth 4.1 + EDR APT-X audio decode technology, offering you perfect stereo sound. CVC 6.0 noise Isolation technology reduces outside noises, enable clearer music and microphone sound.

✓ COMFORT & SECURE FIT DESIGN with IPX7 WATERPROOF RATING - With Ergonomic design and silicone ear hooks, these cordless sports earphones are secure behind your ears and rest comfortably in the ear canal. Three sizes (S/M/L) of custom comfortable silicone earbuds ensure a comfortable and secure fit for everyone. Advanced IPX7 nano-coating keeps the headphones protected against sweat and moisture.

✓ BORN for SPORT FANS - Premium soft smooth silicone gel surface helps sweat proof. Neckband design prevents troublesome wires from tangling during your workout. Behind-In-Ear design makes sure the earbuds stay in place, you don't need to worry about it falling out of your ears. Also, it's lightweight and perfectly matches with any of your favorite outfits. It's great for gym, running, climbing, dancing, jogging, cycling, driving, camping, hiking or any other indoor or outdoor sport activity.

✓ LONGEST BATTERY LIFE & EASY TO USE - Up to 9 hours of play time and 250 hours stand-by with a quick charge of only 1.5 hours. The headphone battery status will be automatically displayed on the IOS Phone screen. Remote Control near your right ear. Voice Prompt function enables you to know using status right now. Support automatically reporting in-coming phone number, never miss a call. Support to connect two Bluetooth devices simultaneously and transfer calls between two mobile phones.