SUNITEC Bluetooth Headphone BS670 In-Ear Stereo Bluetooth V4.0 Wireless Sweatproof Running Headset with Microphone for iPhone Samsung Android phones (Green) 100% MONEY-BACK GUARANTEE! We aren't satisfied unless YOU are! So put the SUNITEC Headphones through their paces. Wear them around for a day or two. Take as many Selfies as your heart desires! Thrill to the crystal-clear studio-quality sound. Enjoy the long-lasting battery power. And if, after all that, you think the amazing SUNITEC Headphones are not for you, just return them and we'll give you a FULL REFUND!

• AUTOMATICALLY POWER OFF, If There Is No Mobile Phone Connected In 10minutes,The Device Will Turn Off Automatically and Make Alert Tone, Save Power and Energy. Integrated echo cancellation
• SUPERB HIGH-FIDELITY STEREO MUSIC. Built-in top quality Drivers deliver a truly "BIG" sound - resonant, clear and rich. The built-in noise reduction and echo cancellation functions enhance the voice quality. And, say goodbye to muffled phone calls - the built-in super-sensitive microphone ensures your conversations are loud and clear, free of static, hiss or fuzziness.
• ENJOY 5 HOURS PLAY TIME,Fast Charging time(about 2 hours),long standby time(about 175 hours),10m working range.
• SWEAT PROOF and ROBUST, Built sweat proof and robust - Stereo Wireless Bluetooth headphones ideally makes you enjoy music, calling when you are jogging, gym work, cycling,camping,hiking exercise and other outdoor sports.
• SLEEK, LIGHTWEIGHT AND COMFORTABLE. Easy to wear, and so stylish you'll be the envy of your friends. These earphones are so light in the ear you'll often forget you're wearing them.

AUTOMATICALLY POWER OFF, If There Is No Mobile Phone Connected In 10minutes,The Device Will Turn Off Automatically and Make Alert Tone, Save Power and Energy. Integrated echo cancellationFJS Electronics