Protect your hearing with the NL-CBL which limits the volume delivered to a headset from any audio source. Maximum volume allowed with the Audio Safe(TM) Control is 80 decibels. There are no controls or buttons, the NL-CBL had a built-in chip that does the work. Connects with any Audi source that accepts a 3.5mm plug including all Apple(TM) devices and all other smart phones and tablets.
Specifications:¢ Keeps volume to a safe listening levelbetween 80 - 90 dB¢ Works with any headphone usinga 3.5mm plug¢ 6" long cable¢ Compatible with all cell phones, tablets,computers, laptops and more¢ Compatible with all Apple products¢ 100% satisfaction guaranteed¢ Limited Lifetime WarrantyProduct: 0.1 lbs., 5.25" x 0.75" x 2.5"Shipping: 1 lbs., 1" x 5"x 1"Warranty: 1 Year