Product Overview
The AIWA KF-H23 is a wireless headset designed for comfortable audio experience. It features controls and ports on both earcups for easy access.
Headset Diagram Description
Right Side:
- Volume + / Next: Button to increase volume or skip to the next track.
- Power On/Off: Multi-function button for power, play/pause, call management, and mode switching.
- Volume - / Previous: Button to decrease volume or go to the previous track.
- LED Indicator Light: Displays various status indications.
- Micro SD Card Slot (TF Card Slot): For playing music directly from a memory card.
- 3.5mm Audio Port: Main audio input/output port.
Left Side:
- Type-C Charging Port: For charging the headset.
- 3.5mm Audio Port: Secondary audio port, primarily for sharing audio.
Package Includes
- AIWA KF-H23 Wireless Headset
- 3.5mm AUX-in cable
- Type-C charging cable
- User manual
Important Safety Instructions
- Do not place the device near any heat sources.
- Use only accessories specified by the manufacturer.
- Refer all servicing/repairs to qualified personnel if the device is damaged.
- Keep this user manual for future reference and troubleshooting.
- Heed all safety cautions.
Safety Cautions
- Always keep the device away from fire and heat.
- Do not attempt to disassemble or alter the device.
- Do not expose the device to excessive heat (e.g., direct sunlight).
- Do not immerse the device in any liquids.
Warning
Using earphones/headphones at moderate to high volumes for extended periods can result in permanent hearing damage. It is recommended to keep media playback volume from low to moderate. Avoid using earphones while performing activities that require hearing surrounding noises/sounds, such as driving, cycling, or jogging.
Product Specifications
| Feature | Specification |
|---|---|
| Model Number | KF-H23 |
| Bluetooth Version | V5.3 |
| IP Rating | IPX5 |
| Driver Unit | 30mm |
| Frequency Response | 20Hz-20kHz |
| Impedance | 32Ω |
| Microphone Sensitivity | -42 ± 3dB |
| Headphone Sensitivity | 85±3dB S.P.L at 1KHz |
| Supported Profiles | A2DP/AVCTP/AVDTP/AVRCP/HFP/SPP/SMP/ATT/GAP/GATT/RFCOMM/SDP/L2CAP/SBC |
| Transmission Distance (Estimated) | Up to 10 meters (without obstacles) |
| Battery | 3.7V/400mAh (Type-C: DC 5V 1A) |
| Playback Time | Up to 30 hours |
| Standby Time | ≥ 500 days (when powered off and in standby mode) |
| Charging Time | About 2.5 hours |
| Call Time | Up to 25 hours |
| Weight | 150 g |
Product Operation
Button Functions
| Button | Description |
|---|---|
| Power Button (O) | Switch on/off, play/pause music, answer/hang up a call. Long press 1.5 seconds to reject an incoming call. Long press for 2 seconds to switch TF mode/Bluetooth mode. |
| Volume + / Next Track (+) | Short press to increase volume. Long press for next song. |
| Volume - / Previous Track (-) | Short press to reduce volume. Long press for previous song. |
Connecting to the Headphones
- Turn on Bluetooth (BT) on your mobile device.
- Turn on the headphones. The headphones will enter BT pairing mode.
- Search and connect to "AIWA KF-H23" from your mobile device. The blue light will turn on. The AIWA KF-H23 will automatically connect to the last paired device if the device is on and within connection range.
AUX-in Mode
- The headset has two 3.5mm audio ports: the R-side is the main audio port, and the L-side is the secondary audio port for sharing audio with another playback device.
- When an audio line is inserted into the R-side port, the headset will automatically turn off and enter AUX-in mode. Inserting a second AUX cable into the L-side port allows sharing audio with another playback device.
- The L-side AUX-in port is primarily for sharing audio. Sharing can be done in Bluetooth mode, AUX-in Mode (from R-side), or TF card mode.
- Avoid using the L-side audio port as an audio source input port.
Micro SD Card Slot (TF Mode)
- Insert a TF Card. A voice prompt "TF Mode" will announce entry into TF mode, and music will play automatically.
- Long press the Power Button (O) for 2 seconds to switch mode when the TF card is inserted.
LED Indicator Light Status
| Charge Status | LED Indicator Light |
|---|---|
| Charging | Red LED light stays red. |
| Fully Charged | Blue LED light stays blue. |
| Power On | Blue LED light turns on for 2 seconds. |
| Power Off | Red and Blue LED lights turn off. |
| Pairing Status | Red and Blue LED lights rapidly alternate flashes. |
| Connected Status | Blue LED light stays blue. |
| Using Status | Blue LED indicator light flashes slowly (once per second). |
| Low Current (Low Battery) | Red LED light blinks once every 3 seconds. |
Battery & Charging
- Earphone Charging: The red indicator is steady on during charging.
- Fully Charged: The red indicator turns off.
- Approximate Charging Time: About 2.5 hours.
- The AIWA KF-H23 will automatically turn off after 5 minutes of disconnection/inactivity.
- It is recommended to charge the headphones every six (6) months if not used for a long period to maintain battery health.
