Product Overview
The Sleepbox Sleep Sound Machine HK-256 is a portable device designed to create a calming audio environment for improved sleep, relaxation, and focus. It features 30 soothing sounds, a rechargeable battery, timer functions, and memory settings for convenient use by individuals of all ages.
Image: Front view of the Sleepbox Sleep Sound Machine HK-256, a white circular device with a speaker grille and a crescent moon and 'ZzZ' logo in the center. A black strap is visible at the top.
Package Contents
Verify that all items are present in the package:
- Sleep Sound Machine (HK-256)
- USB Charging Cable
- Hanging Rope
- User Manual (this document)
Setup
Charging the Device
- Connect the provided USB charging cable to the charging port on the Sleepbox device.
- Plug the other end of the USB cable into a compatible USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate, typically red, during charging.
- Once fully charged (approximately 2-3 hours), the indicator light will change color or turn off. A full charge provides up to 22 hours of operation.
Image: Close-up of the Sleepbox Sleep Sound Machine showing the USB charging port and cable connected, illustrating the charging process.
Attaching the Hanging Rope
The included hanging rope can be attached to the designated loop on the device for portability. This allows for easy attachment to strollers, car seats, or headboards.
Image: A child in a stroller with the Sleepbox Sleep Sound Machine hanging from the stroller handle by its black rope, demonstrating its portability.
Operating Instructions
Power On/Off
- To power on, press and hold the Power button (⏻) for 2 seconds.
- To power off, press and hold the Power button (⏻) for 2 seconds.
Sound Selection
- Press the Sound Selection button (♫) to cycle through the 30 available soothing sounds.
- Sounds include various white noise, nature sounds, and lullabies.
Image: The Sleepbox Sleep Sound Machine on a table next to a plant, with icons above it representing white noise, nature sounds, and lullabies, indicating its 30 soothing sound options.
Volume Adjustment
- Press the Volume Up button (+) to increase the volume.
- Press the Volume Down button (-) to decrease the volume.
- There are 32 distinct volume levels.
Timer Function
- Press the Timer button (⏱) to set an automatic shut-off timer.
- Available timer settings are 30 minutes, 60 minutes, and 90 minutes.
- Pressing the Timer button a fourth time will set the device to continuous play (indicated by an infinity symbol).
- The device will automatically power off after the selected time duration.
Image: A person sleeping in bed with the Sleepbox Sleep Sound Machine on a bedside table. Icons below illustrate the timer options: infinity, 30 minutes, 60 minutes, and 90 minutes.
Memory Function
The device automatically remembers the last selected sound, volume level, and timer setting. When powered on again, it will resume operation with these previous settings.
Features
- 30 Soothing Sounds: A diverse selection of white noise, nature sounds, and lullabies.
- Rechargeable Battery: High-capacity battery provides up to 22 hours of use on a single charge.
- 4 Timer Settings: Options for 30, 60, 90 minutes, or continuous play.
- Memory Function: Recalls last sound, volume, and timer settings.
- Portable Design: Compact and lightweight with a detachable hanging rope for easy transport.
- 32 Volume Levels: Fine-tuned volume control for optimal sound environment.
Maintenance
- Cleaning: Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the device frequently. Charge regularly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on. | Battery is depleted. | Charge the device using the provided USB cable. |
| No sound or low volume. | Volume is set too low or muted. | Increase the volume using the '+' button. |
| Device turns off unexpectedly. | Timer function is active or battery is low. | Check timer settings or recharge the device. |
Specifications
- Model: HK-256
- Brand: Sleepbox
- Power Source: Battery Powered (USB Rechargeable)
- Battery Life: Up to 22 hours (on a single charge)
- Sound Options: 30 Soothing Sounds
- Volume Levels: 32
- Timer Settings: 30, 60, 90 minutes, Continuous
- Color: White
- Dimensions (Approx.): 2.64 inches depth
Warranty and Support
The Sleepbox Sleep Sound Machine HK-256 comes with a 12-month extended warranty from the date of purchase. This warranty covers manufacturing defects and ensures comprehensive protection for your usage rights.
For warranty claims, technical support, or any inquiries, please contact Sleepbox customer service through the retailer where the product was purchased or visit the official Sleepbox website.
Please retain your proof of purchase for warranty validation.