Bluetooth Headset, {Creative Design} Wireless V4.1 Foldable & Retractable Neckband Headphones -Black The Newest Version-Bluetooth V4.1 with Noise Reduction technology ,Hi-Fi Stereo Sound quality and Strong Signal ,Effective distance up to 10 meters. Foldable body and Retractable Earbuds-Unique Approach to Cord Management design, convenient to Carry in Your Bag for Daily Use and for Travel.Rubber process oil is Painting on its surface, bringing soft handle for you. Muitifunction-With in-coming phone number reporting ,you will never miss any phone call when you are doing exercise or even in a noisy place,support and vibrating Call Alert; Volume +/- , Previous/Next song.Easy to pair, Fast Connection-Pairing Is Just Easy and Quick with a Simple Switch Button. Outstanding Long Battery Life-Build in 195mAh rechargeable Li-Polymer battery,talk Time Over 18 hours,Music Playing Time over 16 hours,Standby Time up to 300 hours.With LED indicator light to tell whether it in matching the digital equipment or charging the headphone. Digi-life is the only legal seller of this authentic bluetooth headset on Amazon,please select Digi-life bluetooth headphones when adding to cart for your own interest.