Cam lighting on the go? Laptop, notebook, phone, or camera?
Portable Light for Photography, FRANDEK RGB On-Camera Video Lights 360°Full Color, LED Soft Video Conference Lighting Dimmable 2500K-9000K, 4000mAh Rechargeable Selfie Lighting for Live Streaming
Mid grade option that is RGB and has a built in battery for when away from line power.
DO NOT CLIP ANYTHING TO A MACBOOK SCREEN!1!!!!
OctinPris Car Windscreen GPS Suction Cup Mount for Windshield Dash Cam Camera Camcorder Bracket Holder Stand and Lanyard for All GoPros, SJCAM, GeekPro, Xiaomi Yi, 4K and Micro SLR
If you want to attach any light to a MacBook then you will want a suction cup that will not crush or torque your fragile screen.
Sesenpro LED Video Light, Video Conference Lighting Kit, Portable Diving Fill Light, High Power Dimmable Bi-Color 2500K-8500K, Support Magnetic, Camera Light for Photography and Video
One more mid grade option that only has white light settings.
NEEWER PL81 Video Conference Lighting Kit, 3000mAh Battery Unique Soft Lighting Clip On Laptop Light Webcam Lighting with CRI95+ 2500K~10000K for Phone/Tablet/Laptop, Zoom Calls, Live Streams, Vlog
White only but with a smaller footprint. Probably more then enough for webcam, but you probably want a larger light if you are using it for photography.
Newmowa 60 LED High Power Rechargeable Clip Fill Video Light with Front & Back Clip, Adjusted 3 Light Modes for Phone, iPhone, Android, iPad, Laptop, for Makeup, Selfie, Vlog, Video Conference
Small and thin.
VIJIM Ulanzi VL49 RGB Video Light w 3 Cold Shoe,Mini Rechargeable LED Camera 360degFull Color Portable Photography Lighting Support Magnetic Attraction,2500-9000K Dimmable LED Panel Lamp w LCD Display
inexpensive RGB