Require USB-C 60-W Power adapter to work, Such as: APPLE 61W/87W/96W USB-C charger, 

Mobile phone charger will NOT work 55W 45W 25W 10W

Type-C to Magsafe 2(T-Tip) 100W MAX

Features
100% brand new and high quality.
USB Type C Female to Magsafe 2 T-Tip Converter Adapter Cable for MacBook Air Pro A1436 A1466 A1465 MD223 MD224 MD231 MD232 MD760 MD711 A1502
Built-in PD-inducing chip which can convert USB Type-C PD power to Magsafe 2 T-tip power connector
Suitable for converting TYPE-C PD charger to Magsafe 2 T-Tip connector for MacBook laptop
Specifications:
Product length:about 21.5cm
Input interface: USB Type C Male
Output interface: Magsafe 2 T-Tip Connector
Input device: PD power supply (the input device power should be larger than the load power. For example, the original power supply is 14.85V 3.05A, the power is 45W. Then it is better to use a 45W power supply for the PD device to avoid insufficient power supply leading to slow charging speed and too large load and heat, which will affect the life of the PD power supply.)
Applicable models:

For MacBook Air/Pro A1436/A1466/A1465/MD223/ MD224/ MD231/MD232/MD760/MD711/A1502, etc.
Note:
USB-C to Magsafe 2 (T-Tip) Cable is compatible with the MacBook Air Pro After 2012 year, DO NOT Fit Before 2012 year.