T-100BT User Guide Tactical Bluetooth Protective Ear Muffs a. ChargingCharging is carried out through USB TYPE-C port and 5V/500mA input. When charging, the LED red light is always on,Fully charged, the red light goes out. b.Power on: press and hold the power switch button for 3 seconds, at this time, the horn sounds "du du", and at the same time, the blue LED is lit for a long time, indicating that the power is turned on and the Hearing function is started. c.Power off: press and hold the power switch button for 3 seconds, at which time the horn sounds "du du " ,the blue LED goes out, and the red light lights up for 2 seconds,indicating that the power supply is off. d.Hold down the button for about 2seconds and release it when the red and blue lights flash,turn on the bluetooth function of the phone, search for bluetooth device, and select ANGRY Stag' to connect the phone in pairs. e.Bluetooth turn off:Hold down the button for about 3seconds, and the blue LED will light up, indicating that Bluetooth has been turned off. f.Hearing Volume adjustment: short press key +/-, the volume will increase or decrease. g.Hearing pause function: press the +/- key at the same time briefly for 1 second to pause the Hearing function; Press any one of the+/-keys for 1 second, and the Hearing function will be restored. h.Audio input: You can listen to audio signals from external audio playback equipment by inputting audio signals through the input port of 3.5 stereo socket. i.NFC function module only has one-way receiving function. j.FCC Warning statement:
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions,may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. lf this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help. FCC RF exposure statement:
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.