Bluetooth Headphones, Hussar Magicbuds Best Wireless Sports Earphones with Mic, IPX7 Waterproof, HD Sound with Bass, Noise Cancelling, Secure Fit, up to 9 Hours Working time (2019 Edition) COMFORTABLE and SECURE FIT: With Ergonomic design and silicone ear hooks, Magicbuds Bluetooth Headphones are secure behind your ears and rest comfortably in the ear canal. Premium soft smooth silicone gel surface helps sweat proof. It is great for Gym, Running, Jogging, Hiking, Cycling, and impact Sports. SUPERIOR SOUND and AMAZING VOLUME: With Advanced APTX tech, our in-ear design offers incredible sound quality with deep bass and crystal clear treble, no matter your taste in music. Works great for soundtracks, audio books, relaxing sounds, and even techno music. NOISE REDUCTION: With CVC 6.0 technology, the Hussar Magicbuds Bluetooth Earbuds reduce background noise, so you can focus on your favorite music, no matter where you are. BLUETOOTH V4.1 and UNIVERSAL CONNECTIVITY: We give you the power of Bluetooth V4.1 technology for seamless syncing to your favorite wireless devices, including iPhone, iPad, Android cell Phones, Windows Phones, and more up to 10 meters 33 feet. HOURS OF LISTENING TIME and VOICE PROMPT: Magicbuds Bluetooth Headset can deliver up to 9 hours of play time on a full charge. Voice prompt allows notification of incoming calls and phone numbers, so never miss a phone call. Battery is increased to provide up to 9 hours working time. Circuit design is opertimized to improve performace and reliability. Upgrade to IPX7 nano coating. Add bonus items: Premium Memory Foam Ear Tips and Aluminum Climbing Hook for EVA case. Bluetooth Specification: V4.1+EDR Standbytime: 240 Hours Battery: rechargeable Lithium-ion Polymer IPX7 Waterproof with Nano coating Noise Reduction: CVC 6.0 Siri: supported Frequency response: 20 - 22kHz Charge time: about 1.5 hours Support profiles: HFP, HSP, AVRCP and A2DP Hussar Magicbuds Bluetooth Headphones S, M, L Ear Tips Micro USB Charging Cable Zippered Carry Case User Manual Cord Management Clip Premium Memory Foam Ear Tips Aluminum Climbing Hook Please do not expose the headphones under direct sunlight while charging, especially when environment temperature is high. Please avoid to use low quality or high current USB charger.