sanag B21S Bone Conduction Sport Bluetooth Earphones User Guide

sanag B21S Bone Conduction Sport Bluetooth Earphones User Guide

Thank you for choosing our bone conduction Bluetooth headset for a better experience Please read the instruction manual carefully before using this product. If there is any printing error or Translation errors hope that the majority of users understand

Overview of key features

1. Pilot lamp
2. Type-C charging port
3. Substract key
4. Plus key
5. MIC
6. Bone conduction vocal unit

Charging use

When the earphone voltage is low, the red light flashes once every 10 seconds, and the low power alarm tone is displayed every 3 minutes. At this time, please connect the power adapter to charge the earphone, otherwise the earphone will automatically shut down when the earphone power is too low.

The headset is charged through the magnetic charging cable, and when the charging is complete, the work indicator changes from red (steady on) to ice blue (steady on). Note: “Please use a DC 5V power adapter that meets national standards and is CCC certified for charging”.

Bluetooth pairing

• First boot pairing:
  In the shutdown state, long press the “+” key for 3 seconds, the ice blue light is on for 1 second, and the red/ice blue light is alternating Flash, the headset turns on and goes directly into pairing search mode, turn on the phone or smart electronic device, from the Bluetooth list, find “sanag B21S”, and click Connect. Once connected, the ice blue light flashes every 10 seconds.

Key operation

• Turn on the Earphone:
  In the shutdown state, long press the “+” key for 3 seconds, the ice blue light is on for 1 second, the red/ice blue light flashes alternately, and the headset is turned on.

• Earphone off:
  When the headset is powered on, hold down the + key for 5 seconds, the red light blinks for 3 times, and then the headset is turned off.

• Disconnection, over-distance disconnection or device shutdown:
  When the phone and headset exceed the Bluetooth connection distance, the phone and headset are disconnected. Return to the Bluetooth connection range of the headset and mobile phone within 5 minutes. The headset and mobile phone can be automatically connected back. If the headset is not connected after 5 minutes, the earphone will automatically shut down.

• Play/Pause:
  Double click “+” button to play and pause the music.

• Volume plus/Next:
  Click the key to increase the volume. Hold down the + key for 1 second to play the next song.

• Volume reduction/Previous:
  Press the key to reduce the volume. Hold down the – key for 1 second to enter the previous song.

• Answer/Hang up calls:
  When you receive a call, click the + key to answer it, and double click the + key to terminate the call.

• Refuse to answer the phone:
  When an incoming call comes in, hold down the + key for 2 seconds.

• Start the voice assistant:
  The Bluetooth is connected. Press the + key three times to enter the voice assistant.

• Low power alarm:
  Alarm: When the headset power is insufficient, the red light flashes every 10 seconds, and the low power alarm tone is displayed every 3 minutes.

Matters needing attention

• No connection to any mobile phone, 5 minutes after the automatic shutdown.
• Please fully charge this product for first use.
• Do not dismantle or modify this product for any reason, otherwise it may cause fire, electronic breakdown or even complete damage to this product.
• If charging is complete, please disconnect the charger from the device and unplug the charger. The continuous charging time should not exceed 12 hours.
• Do not dispose of old batteries in old household garbage. Improper disposal of batteries may cause battery fire or explosion. Please comply with local regulations when disposing of this product, batteries and other accessories.
• Do not disassemble, impact, squeeze or put the battery into the fire. If there is serious expansion, do not continue to use. Batteries must not be exposed to excessive heat.
• Do not repair this product yourself.
• If consumers use a power adapter to charge, they should purchase a matching power adapter that is certified by CCC and meets the standard.

Basic parameters:

• Name: Bone conduction sports Bluetooth headset
• Bluetooth version: V5.4
• Connection range: >10 m
• Headphone battery capacity: 155mAh
• Charging input: 5V-1A MAX

FCC 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.

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. If 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.

Caution: Any changes or modifications to this device not explicitly approved by manufacturer could void your authority to operate this equipment.

RF Exposure Information
The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

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