They also incorporate a 4-band audio equalizer, always adjustable from the remote control (or the WS6 Master), to adapt them to your hearing. Battery level: After the rapid flashes of ignition, the headset indicates its battery level by 1 to 3 long successive flashes depending on the state of its battery: 3 flashes correspond to a battery level at 100%. 2 flashes, 60% and 1 flash, 30%. Rainproof (IP68 compliant 1m deep).
Note: they have been proofed IP68 1meter deep although they were not designed to dive, that just proves their robustness against waves, or if you drop them into water. Lithium battery guaranteed for 2 years.
Adjustable sound level on 10 levels. Multiple dynamic audio options: PWM, SQUARE, and more to come. Audio frequency range 2020,000 Hz. Communication frequency range between elements: 2.400Ghz to 2.480Ghz. Auto power on/off after pairing with the master device (remote control or WS6).
Auto-off 5mn if the headphones are turned on without a master device. Auto-off 5H if no keyboard manipulation on the controller (each modification by pressing a key restarts a timer of 5H). Fast charge in USB format: 2 hours. Led indication of the battery life. This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Metal Detector Accessories".
The seller is "detectingclay" and is located in this country: US. This item can be shipped to United States.