ebasy Earphones Earbuds Headphones, Balanced Bass Driven Sound, Noise Isolating Use the USB port of your computer/laptop to charge most smartphones (with MicroUSB port) 2 times as fast and more than 3 times as fast for some phones -- compared with regular cables, and charge tablets (with MicroUSB port) at up to 2A (10W). Block data transfer to hack-proof your device against untrusted charging source. Incompatibility no more: make chargers from other vendors (e.g. Apple) play nice with your otherwise incompatible devices (e.g. Samsung tablets). Tangle-free nylon braided cable sleeve is ultra tough &amp; strong, can sustain 5000+ times of bending; nylon fabric is also water resistant. Compatible with most cases, may not be compatible with some cases with very small openings.