Size :256GB MB-MC256GA/EU Samsung memory cards3d hinge, rotating metal parts for a custom fitMachine washable headband, detachable fabric headband for easy wash and wearInterchangeable cable, detachable cable that can be worn on either the right or left sideZound plug, allows for instant music sharingCollapsible structure, folds down to the size of your fist for easy transport and storage. Voltage 2.7~3.6v.
- Read speeds up to 100MB/s ; write speed up to 90 MB/s
- 4K UHD recording
- A massive memory of 256 GB is enough for 12 hours of 4K UHD video, 33 hours of Full HD video, or 55,200 photos.