User Guide for anko 21BF02 Bluetooth Headphones

Quick Guide

The anko 21BF02 Bluetooth Headphones support wireless audio playback, TF card mode, and Aux-in connectivity. Key operations include holding the power button for 3 seconds to turn on/off and entering pairing mode by holding the power button until the LED flashes red and blue. Ensure the device is charged before first use and kept within range of your mobile device for stable connectivity.

Device Overview

The headphones feature the following controls and ports:

• Power On/Off: Press and hold for 3 seconds.
• Volume/Track Control: Use the + and - buttons to adjust volume or skip tracks.
• Play/Pause/Answer/Hang up: Central button for media and call control.
• TF Card Slot: Insert a TF card to switch to TF card playing mode.
• Charging Port: Micro-USB port for charging.
• Line-in: Aux-in port for wired connection.
• LED Indicator: Shows status (flashing red/blue for pairing, solid/flashing for connection status).

Power and Pairing

To power on, press and hold the power button for 3 seconds; the blue LED will flash 3 times. To enter pairing mode, ensure the device is powered on, then initiate pairing. The LED will flash red and blue alternately. Select "KC43155668" or "KC43215652" in your device's Bluetooth settings to connect.

Playback Modes

The headphones support three modes:

• Bluetooth: Default mode after pairing.
• TF Card: Automatically switches to TF card mode when a card is inserted. Use the "M" button to switch between Bluetooth and TF modes.
• Aux-in: Connect the provided 1.25M Aux-in cable to your mobile phone. Note that in this mode, you can only operate the headset via the phone.

Calling Mode

When connected via Bluetooth, use the central button to manage calls:

• Answer: Press once.
• Hang up: Press once.
• Decline: Press and hold for 1 second.

Charging

Connect the provided 0.3M Micro-USB cable to the headphones' charging port and the other end to a computer USB port or a USB wall charger. The light will turn off when the connection is successful.

Troubleshooting

If you encounter issues, check the following:

• Headphones won't turn on: Ensure the device is charged.
• Bluetooth connection issues: Check if the headphones are in pairing mode (red/blue LED flashing). Ensure the device is within range and there are no obstructions.
• No sound: Increase the volume on both the mobile device and the headphones.
• Headphones won't charge: Verify that the charging cable is functional and fully seated in the port.

Safety Information

Observe the following safety precautions:

• Working temperature: 0 - 35°C.
• Do not expose the battery to extreme temperatures, low air pressure at high altitudes, or mechanical damage (crushing/cutting).
• Do not dispose of the battery in fire or a hot oven.
• Replacement with an incorrect battery type may cause an explosion or leakage.