Retractable Three in One Multi Cable Adopts Roller Structure Design, Small Size, Light Weight, Enhanced Inner Shell, 210 Core Copper Cable, 3a Retractable Three in One Multiple USB Charger, Suitable for Almost All USB Mobile Phones & Bluetooth Speakers & Bluetooth Head Set & Mobile Power & Electronic Device Charger. Ideal Length 4 Feet & 1.2 Meters. the Retractable 3-in-1 Multi-usb Cable Can Provide a One-stop Portable Charger Solution, & You Dont Need to Carry Any Other Cables When You Are at Home & Car & Office or on the Go.