1.This is a USB cable can be hung around the neck, never worry about forgetting to take charging cable.The bottom card holder design secures your work card or keys.The back is a ruler. 

2.This Micro cable safely supports fast charging up to 2.1A and data transfer speeds up to 480Mbps. 

3.Our silicone lanyard case can contain Phone(4.0 inch- 6.5inch), credit card, ID card, and other daily use card, earphones.And strong stretchy and anti-slip silicone Case can hold your phone safely. Note-The Silicone Case may be blocked the fingerprint lock of Samsung Galaxy S9 S9 plus, HUAWEI honor series and HUAWEI mate series. 

4.If you want to charge you phone, you just simply press the button and remove the strap to charge your device.