I bought this for my MacBook Air, but I rarely use it because I use another high-output charger. Comes with the original box. ANKER 523 Charger with 47W output, featuring two USB-C ports, compatible with iPhone and MacBook Air. - Brand: ANKER - Model Name: 523 Charger (Nano 3, 47W) - Output: 47W - Number of Ports: 2 USB-C ports - Compatible Devices: iPhone, iPad, MacBook Air - Input Voltage: 100-240V, 50/60Hz - Size: Approximately 55 x 35 mm Thank you for looking.