Bluetooth Headphones,LOVOCOO Neckband Bluetooth Headset with Retractable Earbuds, Foldable Wireless Bluetooth Headphones Built in Noise Cancelling Mic for Sports and Work (with Carry Case) (Black). 【Neckband & Retractable Design】The bluetooth headphones with ergonomically neckband design snugly fits around your neck make it comfortable to wear. Retractable Earbuds- a unique design for cable management, no more tangled wire obsession allows you to pull the retractable wire to the length you want and retract when not use. Perfect for long time wearing no matter in outdoor activities or in office. 【Advanced Bluetooth 5.0 & HD Sound Quality】: The Bluetooth 5.0 technology provide faster and stable signal connection(Bluetooth connection range is about 10meters/32ft away), the CVC 6.0 noise canceling technology filter out background noise, You will love the awesome sound of these bluetooth headphones and they are exactly what you are looking for. 【Up to 18 Hours Battery Life & Quick Charge】: LOVOCOO Bluetooth headphones can provide 18 hours talking time and 16 hours music time, 300 hours standby time per single charge (charge only takes 3.5 hours). Enough to get you through long days on the go. (NOTE: Please fully charge the Bluetooth headset before using!) Battery power status can be checked in your device, very conveniently. 【IPX5 Sweatproof & Call Vibration Reminder】: The neckband bluetooth headphones is IpX5 Sweatproof and will remind you by vibration when there is a incoming call, you will never never miss any phone call even if you are in noisy environment or doing any sports exercise, provide you a fantastic hands free call experience. 【Easy Carrying & Portable Headphones】The Bluetooth headphones also comes with a hard protective carrying bag for your easy carrying.now, you can put the earphones,charging cords,even your keys or cards in the bag,very convenient and safe. PACKAGE: 1*LOVOCOO Bluetooth Headphones, 1*Micro USB charging cable, 1*Carrying Case, 6 ear tips in 3 sizes , 1*User Guide.