Sayrelances R20 Pro Bone Conduction Sport Headphones

Overview

This section details the components of the Sayrelances R20 Pro Bone Conduction Sport Headphones:

• Charging connector
• Volume + / Next song key
• Volume - / Previous song key
• Multi-function key
• LED Indicator light

Diagram description: Visual representation of the headphones highlighting the charging port, control buttons (volume up/down, multi-function), and LED indicator.

Operating Instructions

Power On/Off:

• Power On: Press and hold the multi-function key for 3 seconds until the LED indicator turns blue.
• Power Off: Press and hold the multi-function key for 4 seconds until the LED indicator turns red.

Volume and Song Control:

• Volume Adjustment: Short press the `+` key for volume up or the `-` key for volume down.
• Track Navigation: Press and hold the `+` key for 1 second for the next song, or press and hold the `-` key for 1 second for the previous song.

Playback Control:

• Play/Pause: Click the multi-function key.

Call Management:

• Answer Call: Short press the multi-function key.
• Reject Call: Press and hold the multi-function key.
• End Call: Short press the multi-function key during an active call.

Running Light:

• Triple-click the multi-function key to turn on the running light.
• Triple-click again to cycle through flash/breathing modes, and a subsequent triple-click turns the light off.

Mode Switching:

• To switch between Bluetooth mode and memory card mode, turn on the headphones and double-click the multi-function key.

Pairing and Connectivity

Pairing Mode: After powering on, the R20 Pro enters pairing mode, indicated by a flashing red and blue LED. To connect, open your device's Bluetooth settings and select "R20 Pro".

Disconnection and Reconnection: The headphones will disconnect if they go out of range and will attempt to reconnect for 3 minutes. If no Bluetooth connection is established within 5 minutes, the headphones will automatically turn off.

Supported Audio Formats: The device supports FLAC, MP3, WAV, and AAC (for Mac and other Apple devices) music formats.

Charging

Low Battery Indicator: The LED indicator flashes red every second when the battery is low.

Charging Process: The LED indicator turns red while charging and turns blue when the battery is fully charged. It is recommended to fully charge the product before its first use. Ensure the charging interface is dry before charging.

Diagram description: Illustration showing the charging cable connected to the headphones and a power source, with visual cues for charging status.

Specifications

Product Specifications:

• Playing time: Approximately 8 hours
• Standby time: Approximately 200 hours
• Charging time: Approximately 1.5 hours
• Bluetooth version: 5.3
• Battery capacity: 180mAh
• Waterproof rating: IPX8
• Weight: 32.5g
• Transmission distance: 10 meters

Precautions

Important Notes:

• Wearing Position: The correct wearing position for the earphone speakers is on the cheekbones in front of the ear. Do not place the speakers inside the ear. Diagram description: Visual guide showing the correct placement of the headphone speakers on the cheekbones.
• Volume Levels: Listening to music at loud volumes for extended periods may cause discomfort. It is recommended to use a medium volume level and avoid prolonged use at maximum volume.
• Automatic Shutdown: The headset will automatically shut down if no device is connected within 5 minutes of being turned on.
• Product Modification: Do not dismantle, repair, or modify the product for any reason, as this may lead to fire, electrical breakdown, or complete damage.
• Charging Safety: Please disconnect the charger from the device once charging is complete. Do not charge for more than 12 hours continuously.
• Battery Disposal: Do not dispose of old batteries with regular household waste. Improper disposal can cause batteries to catch fire or explode. Dispose of this product, its battery, and accessories in accordance with local regulations. Batteries must not be exposed to excessive heat. Do not disassemble, cut, squeeze, or throw batteries into fire. Do not continue to use if the battery is severely swollen.
• Environmental Awareness: When using headphones, be aware of your surroundings, as they can affect your perception of the environment. Pay extra attention when using them in situations requiring awareness, such as crossing streets.
• Physical Handling: Do not throw or sit on the earphones.
• Heat and Pressure: Keep headphones away from fire and high-pressure equipment.
• Child Safety: Not suitable for children under three years old due to small parts.
• Recycling: Do not classify this product as household waste. Send it to the corresponding local recycling station for electrical and electronic equipment.

Accessories

The package includes the following accessories:

• Headphone - 1 unit
• Bag - 1 unit
• Charging cable - 2 units
• Earplugs - 2 units
• Regulating strap - 1 unit
• Manual - 1 unit

Diagram description: Illustration displaying all the included accessories: headphones, carrying bag, charging cables, earplugs, and regulating strap.

Certificate of Conformity

This section indicates compliance. Product Name: Bone Conduction Sport Headphones, Model: R20 Pro.