AGKupel 97023VRP-B1 Bluetooth Stereo Headphones with Microphone, White This Certified Refurbished product is tested and certified by the manufacturer or by a third-party refurbished to look and work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, reconditioning and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty and may arrive in a generic white or brown box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon. 3D Neck Behind design features a curved fit for comfortable around-the-neck wear. HD Voice and aptX technologies along with echo cancellation and noise reduction deliver crisp, detailed sound with robust bass for clear communication and audio playback Music and call controls conveniently located on the sides of the device Provides up to 15 hours of talk time or up to 10 hours of audio playback on a full charge for extended operation. Up to 21 days of standby time.