KEFTU K3S Bluetooth Headset User Manual

K3S Bluetooth Headset
User Manual

K3S Bluetooth Headset

Manual K3S

DIAGRAM

OPERATION INSTRUCTIONS

Operation tips

1. Fully charge before first use

2. Connect the USB charging port and the power adapter with a US cable for charging

3. Plug headphone in the headphone jack

4. Power on Press and hold the multi-function button and the intercom button for 3 seconds until the blue LED indicator flash for 1 second and with a voice prompt that the headset is powered on

5. Power off Press and hold the multi-function button and the intercom button for 3 seconds until the red LED indicator flash for 1 second and with a voice prompt that the headset is powered off

6. Pairing with phone 1Once powered on, the device will automatically enter into wireless pairing mode with a voice prompt of pairing.
   2When K3S wireless is displayed on the phone, click to pair until there is a voice prompt of successful pairing and the blue light is on.

7. Phone operation
   • Answering incoming calls
   Press the multi-function button to answer incoming calls.
   •  Hang up
   Press the multi-function button to hang up while on a call
   • Voice dial
   Press the voice assistant button \and say call someone while not on a call
   • Automatically answering incoming calls
   Auto-answering the incoming call after 10 seconds (the auto-answer function is off in factory setting)
   • Rejecting incoming calls
   Press and hold the multi-function button for 2 seconds to reject incoming calls
   • Redial the last caller
   Press the voice assistant button twice to redial the last caller (while not on a call)
   • Switch between phone and the headset
   Press and hold the multi-function button for 2 seconds, the voice will switch between the headset and phone while on a call

8. Voice control Short press the volume up button to turn up the volume and short press the volume down button to turn down the volume (there is a di” tone when reaching the max or min volume) Press and hold the volume up button for I second to switch to next song
   Press and hold the volume down button for I second to switch to previous song Short press the multifunction button to play music
   Short press the multifunction button to pause music

9. Disconnect devices paired In power off state, press and hold the volume up, volume down, and multi­ function button for 3 seconds, there is a voice prompt.

10. Switch between languages (English/Chinese ) In power off state, press and hold the multi-function button and the volume up button to switch between languages.

11. Turn on and turn off auto-answer In power off state, press and hold the multi-function button and the volume down button for 3 seconds.

12. Setting up intercom
    Wireless intercom
    Can be paired with the wireless of other brands which has the intercom function Press and hold the voice assistant button for 3 seconds until the blue LED indicator flashes. The wireless of other brands enter into the search mode
    When being successfully searched, the headset will be paired and enter into intercom talking.

Support intercom app
No limit on the number of persons and the distance.

FUNCTION PRIORITY

level l: phone call
level 2: phone audio

SPECIFICATION

same time
Working time| 40h| Auto shutdown| Disconnected for 30 minutes
Standby time| 400h| power Po Adaptor| 5V-1A
Waterproof grade| IPX7| Working temperature| 14°F-131°F (-10°C-55°C)
Sound effect| Stereo Hi-Fi| Storage temperature| -4°F-140°F (-20°C-60°C)

• The actual time can be different from the time in specification depending on the types of phones and its status
• Due to factors such environment and climate, there can be deviation in intercom distance.

VOICE PROMPT OF BATTERY LEVEL WHEN POWEREO ON

| High battery level
Voice prompt: the battery level is 100%
---|---
| Medium battery level
50% Voice prompt: the battery level is 50%
| Low battery level (low battery alarm)
Voice prompt: low battery level (once every five minutes)

CHARGING STATUS

Charging: the red light is on
Fully charged: the blue LED indicator is on

NOTES

1. The storage temperature of this product is -20€ to 60C. Do ot store it in an environment with too high or low temperature, otherwise, the service life of the product will be affected
2. Do not expose this product to fire to avoid explosion
3. If you do not use this product for a long time, please store it in a dry environment and charge it once every three months so that the product can work normally
4. If the product can not be powered on, please charge it to reset.

NOTE This equipment ha been tested ad found to comply with the limits fora ls B digital device, pursuant to part IS of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference ina 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 co0ouoiati0$. /tow vet, thee is no garage that interference will not occur in particular installation. If this equipment does cause harmful interference to radio or television reception, which ca be determined b turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following 0ears.ufe
– 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.
Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
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.

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Contact: 4009700844
Address: Room 505, Tower B, Taojindi-commerce incubator
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Website: www.kevtu.cn

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