This Stereo Sound Wireless Headphones are perfect for Travel or Office Home Use, can be used as sports earphones.Bluetooth V4.1+ EDR APT-X audio decode technology, along with CVC 6.0 super noise reduction technology provides lossless stereo sound.BATTERY PERFORMANCE:Up to 6 hours talk time / music time (Playtime varies according to volume level and audio content). With 150 hours standby time and 1-2 hours charging time.COMFORT WEARING WITH SECURE FIT: Designed in a ergonomic angle, ensure fit snugly in your ear without hurting your ear or popping off while moving around or working out.BLUETOOTH 4.1 TECHNOLOGY: Can connect two devices simultaneously. bluetooth signal with up to 33feet operation distance. Easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices. SO EASY TO USE The volume, sound, song selection and telephone controls are all right on the wireless Bluetooth earbuds, making these the most convenient Bluetooth earbuds for running, sports, lifting weights & more! Whats in the box: 1 Bluetooth Sports Earphones1 Charging Cable1 User ManualWarranty Description: Every sale includes an 12-month, worry-free guarantee to prove the importance we set on quality. If any issues arise, we will happily send a replacement on us.It's the Best Choice : CLICK "Add To Cart" NOW! Enjoy your healthy life !