Features: Lightweight, portable, you- can take it everywhere- you go and keep it in place around your neck, in- your pocket. Using- high quality silicone material, non- toxic, ecofriendly, sweatproof and durable-. It is super lightweight, feels great on your skin.you'll even feel nothings. The soft neck strap provides-a soft touchand makes you feel comfortable when wearing it . Just put the device into the hole of this anti-lost belt, and it-can be used safely. Put- it on your neck, in- your pocket or wherever you can hanging it, without worrying about your wireless earphone falling or missing. Specifications: Material:Silicone Length:Approx.75cm/29.52inch For WF-C700N C700B Color:Black/Blue/Apricots Color Package Includes: 1x Wireless Headphone Cord Rope note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.