iROAR G-Force Sport Wireless Bluetooth 4.1 Earbud Headphones for iOS, iPhone, iPod, Android, Samsung, Tablet - SIRI Enabled, Microphone, Noise-Cancelling, Sweatproof, Extended Battery Gym Run Are you tired of looking for the perfect pair of bluetooth headphones? Problem solved! Introducing one of the top-rated & high quality Bluetooth headphones in today's market. The iROAR G-Force sport is engineered for the ideal music lover combined with durability for aggressive sports, running, hiking, biking, gym workouts, on-the-go, or just your day to day activities. DYNAMIC BASS - The G-Force earbuds are equipped with dynamic bass and extended frequency response to pump you up during the very last vigorous workouts reps. CSR NOISE-CANCELLATION - You can finally let go of the cars beeping, dogs barking, or the noisy airplane engines. Thanks to the integrated CSR chipset technology, the G-Force Sport is designed with noise-cancellation to block out ambient noise for immersive listening with Multi-size ear tips: S, M, L. TANGLE-FREE CORD - There is nothing more frustrating than untangling your cords. Rest assured, the flat cord is designed to be tangle-free and also sweat-proof. EXTENDED BATTERY LIFE - Approx. 7.5 hours of non-stop music play. Talk time: approx. 8 hrs. Standby time: approx. 180 hrs. Operating Distance: 30ft.from device ( Free Space ). Also includes VOICE PROMPT feature which tell you the phone number that is calling without even touching at your device.