Sudio B2 Bone Conduction Wireless Headphones

Product Overview

Health, Comfort, Release Your Ears

Release your ears, rest assured and free. Listen to the sound of the outside world while listening to music. Listen to music, make calls, play games with stereo sound, true sound effects, clear and shocking. This is the best choice for your office, going out, and driving!

Appearance Display

1. Type-C charging port

2. Volume- button

3. Volume+ button/Power button

4. Microphone

5. LED indicator

Control Description

Power On: Press and hold the power button for 3 seconds to start up. The white light will be on for 3 seconds, then the white and orange lights will flash alternately. Earphone prompt tone: "on".

Power Off: Press and hold the power button for 6 seconds to shut down. The orange light flashes, and the headset prompts: "off".

Waiting for Pairing: Enter the pairing state after power on. The white and orange lights flash alternately. Search for "Sudio B2" on your mobile phone, desktop computer, or laptop and manually click to connect.

• When the headset has no pairing record, it enters the pairing state with the device after powering on. It will prompt "ready to pair, find your sudio product in the bluetooth list of your device", prompting once every 10 seconds, five times. The white and orange lights of the headset flash alternately.
• The headset has a pairing record. After turning on the device, it enters the state of reconnecting with the device. The white light flashes. If the connection is not successful within 15 seconds, the headset enters pairing mode. The headset prompts "ready to pair find your sudio product in the bluetooth list of your device", prompting once every 10 seconds, five times. The white light flashes for 15 seconds, and then the white and orange lights flash alternately until the pairing is successful.

Successful Pairing: When the headset pairing is successful or the connection is successful after ultra-long-distance disconnection, the headset prompts: "Connected".

Disconnect Bluetooth:

• Manually disconnect Bluetooth: The earphones will re-enter the pairing state. At this time, the white and orange lights of the earphones will flash alternately.
• Bluetooth over-distance disconnection: Keep connecting back to the mobile phone until there is no music playing for 10 minutes, then turn it off. The white light flashes quickly, and the earphones prompt tone: "Disconnected".

Play/Pause: When connected to music, click the volume up/down button to play/pause the music. Headset prompt tone: "Ding".

Volume Increase: In music and call status, triple-click the volume up button. The volume will increase by one bar. Earphone prompt tone: "beep".

Volume Down: In the state of music and calling, press the volume down button three times. The volume will be reduced by one bar. Earphone prompt tone: "beep".

Previous Song: In the music playing state, double-click the volume down button to play the previous song. Headset prompt tone: "ding ding".

Next Song: In the music playing state, double-click the volume plus button to play the next song. Headset prompt tone: "ding ding".

Voice Assistant: Press and hold the volume down button for 2 seconds while music is playing to enter voice assistant mode. Press for 2 seconds or click to exit the voice assistant.

Answer/Hang Up/Reject Call:

• Answer Call: Click the volume up/down button during an incoming call. Headset prompts "humming".
• Hang Up: Press and hold the volume plus/minus button for 2 seconds. Headset prompts a "thumping sound".
• Reject Call: During an incoming call, press and hold the volume plus/minus button for 2 seconds. Release after hearing the "Dong Dong" sound.

Cancel Dialing: When the mobile phone actively dials out a call, click the volume plus/minus button to cancel the outgoing call. Earphone prompts a "thumping sound".

Three-Party Call:

• Answering: Click the volume plus/minus button.
• Switch: Double-click the volume plus/minus button.
• Hang up current call and switch to the other party: Press and hold the volume plus/minus button for 2 seconds.

Restore Factory Settings: In the power-on state, press the volume + and volume buttons simultaneously for 5 seconds. The orange light flashes 3 times. After hearing the prompt tone, it indicates that the factory reset is successful. The headset enters pairing mode with white and orange lights flashing alternately.

Charging:

• When the headset is charging, it is turned off and cannot be turned on. The LED light is always orange. The orange light turns to white when fully charged.
• Recommended charger specifications: Output voltage: DC5V+/-0.25V, Output current: 100mA-500mA.

Chargers and Batteries

Before using any charger to charge the headset, please check if the charger's specifications meet the requirements (recommended charger output voltage: DC5V +/- 0.25V, output current: 100mA-500mA). Overcharging voltage can damage the Bluetooth headset.

WARNING: Only use chargers approved with this accessory. Use of other types of chargers may violate approval and warranty terms and may cause danger. If the product was shipped with a charging cable, connect a 3C certified charger or computer for charging. Do not subject this product to severe impact, as it may damage the electronic motherboard and battery.

Charge the Battery:

• This headset uses a built-in, non-removable rechargeable battery. Do not attempt to remove the battery from the headset, as it may cause damage. When not in use for an extended period, store the headset in a dry, ventilated place and charge it every two months.
• When the battery is low, the orange light of the headset flashes every 2 seconds, and you will hear "Battery Low" every 4 minutes. If you continue to use it for 5-10 minutes, it will automatically shut down. At this time, it needs to be charged. Connect the charger's cable plug into the headphone jack.
• Plug the charger into an AC power outlet.
• The indicator light turns orange when charging. If charging does not start, disconnect the power source from the headset, then plug it back in and try again. After the battery is fully charged, the orange light turns off, and the white light stays on. Disconnect the charger from the power socket and the headset.
• Actual call time and standby time may vary depending on phone usage settings, usage methods, and environment.

Wearing Instruction

Hang the earphones behind the neck, with the speakers on both sides positioned against the cheekbones to adjust for wearing comfort. Do not twist or bend the rear hanger excessively to avoid damage to internal light guide elements.

Product Specifications

• Music Playing Time (Standard Status): 6 hours
• Standby Time: 8 days
• Charging Time: 2.5 hours
• BT Version: 5.3
• Speaker Impedance: 80±3db
• Microphone Sensitivity: -42±2db
• Product Weight: 29g
• Bluetooth Connection Distance: 10 meters

Important Notes

• The correct wearing position for the earphone speakers is on the cheekbone in front of the ear. Do not place the speakers inside the ear.
• Listening to loud music for extended periods may cause discomfort. Please use a moderate volume whenever possible to avoid prolonged use at high volumes.
• Regardless of the volume level, using headphones will affect your perception of the surrounding environment. Please be extra attentive when using headphones.
• Do not throw, sit on, or immerse the headset in salt water. Keep the headset away from fire and high-voltage equipment.
• Not suitable for children under three years old, as it contains small parts.
• Do not dispose of this product as household waste. Take it to the appropriate local recycling point for electrical and electronic equipment.
• If the user causes personal or property losses due to violation of the above warnings, the company assumes no responsibility.

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.

Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

NOTE: 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.

RF Warning Statement: The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.

Certificate

Product Name: Bone Conduction Wireless Headphones

Product Type: Sudio B2

Qualified Inspector: