1. Utangulizi
The Hushing Sound Machine Alarm Clock F4 is a versatile 3-in-1 device designed to enhance sleep and simplify daily routines. It combines a sound machine with 30 soothing sounds, a dual alarm clock with 15 wake-up sounds, and a night light with 12 color options. This device features a backup battery for alarm functionality during power outages, a memory function to retain settings, and adjustable display brightness.

Kielelezo 1: Mbele view of the Hushing Sound Machine Alarm Clock F4.
2. Bidhaa za Bidhaa
- Utendaji wa 3-in-1: Integrates a sound machine, dual alarm clock, and night light.
- Mashine ya Sauti: Offers 30 soothing sounds, including white noise, pink noise, brown noises, lullabies, and natural sounds (rain, thunderstorm, sea waves, river, campfire, water drop, singing birds).
- Kengele Mbili: Two independent alarms for different schedules.
- Wake-up Sounds: 15 options, including classic beeps, light music, and ambient sounds.
- Snooze Kazi: Provides an additional 9 minutes of rest.
- Mwangaza wa Usiku: 12 colors with 10 adjustable brightness levels. Can be turned off independently.
- Onyesho la Wakati: 12/24-hour mode with 4 levels of adjustable brightness.
- Udhibiti wa Sauti: Viwango 32 vya sauti vinavyoweza kubadilishwa.
- Sleep Timers: Auto-off options for 30, 60, 90, or 120 minutes, or continuous playback.
- Kazi ya Kumbukumbu: Retains last settings after power failure or reboot.
- Nakala ya Betri: Ensures alarm functionality during power outages (device requires constant power for full operation).

Kielelezo 2: Zaidiview of the 3-in-1 functionality.

Figure 3: Detailed list of 30 soothing sounds available.
3. Kuweka
- Muunganisho wa Nishati: Connect the device to a power source using the provided USB cable and adapter. The device requires continuous power for full operation. The internal battery serves as a backup for the alarm function only.
- Malipo ya awali: For optimal performance, ensure the device is fully charged before first use.
- Mpangilio wa Wakati:
- Press and hold the "12/24H Time Set" button to enter time setting mode.
- Tumia vitufe vya "+" au "-" kurekebisha saa.
- Press the "Next Song" button (right arrow) to move to minute adjustment.
- Tumia vitufe vya "+" au "-" kurekebisha dakika.
- Press the "Next Song" button again to confirm and exit time setting.
- Muundo wa Saa 12/24: Short press the "12/24H Time Set" button to toggle between 12-hour (AM/PM) and 24-hour formats.
Video 1: Guide on how to set the alarm clock and other settings.

Figure 4: Button layout and functions for easy operation.
4. Maagizo ya Uendeshaji
4.1. Kuweka Kengele
- Set Alarm 1 or 2:
- Press and hold the "Alarm 1" or "Alarm 2" button to enter alarm setting mode.
- Tumia vitufe vya "+" au "-" kurekebisha saa ya kengele.
- Press the "Next Song" button (right arrow) to move to minute adjustment.
- Tumia vitufe vya "+" au "-" kurekebisha dakika za kengele.
- Press the "Next Song" button again to select the alarm sound (15 options). Use "+" or "-" to cycle through sounds.
- Press the "Next Song" button again to adjust alarm volume. Use "+" or "-" to set the volume.
- Press the "Next Song" button again to confirm and exit alarm setting. The alarm icon will appear on the display.
- Turn Alarm On/Off: Short press the "Alarm 1" or "Alarm 2" button to activate or deactivate the alarm. The alarm icon will appear/disappear on the display.
- Ahirisha: When the alarm sounds, press the "Snooze" button to temporarily silence it for 9 minutes.
- Acha Kengele: To turn off the alarm completely, press any button other than "Snooze" when the alarm is sounding.

Figure 5: Key features of the alarm clock function.

Kielelezo 6: Kutamples of wake-up sounds.
4.2. Using the Sound Machine
- Washa/Zima: Press the power button (bottom center) to turn the sound machine on or off.
- Chagua Sauti: Use the "Previous Song" (left arrow) or "Next Song" (right arrow) buttons to cycle through the 30 available sounds.
- Rekebisha Sauti: Use the "+" or "-" buttons to increase or decrease the volume (32 levels).
- Weka Kipima Muda: Short press the "Sleep Timer" button to set an auto-off timer for 30, 60, 90, or 120 minutes. Press repeatedly to cycle through options or select continuous play (indicated by "CO").

Figure 7: Internal speaker design and volume capabilities.
4.3. Uendeshaji wa Taa ya Usiku
- Washa/Zima: Press the "RGB" button to turn the night light on or off.
- Badilisha Rangi: Short press the "RGB" button to cycle through 12 different colors.
- Rekebisha Mwangaza: Use the "+" or "-" buttons to adjust the brightness of the night light (10 levels).

Figure 8: Night light features and benefits.
4.4. Onyesha Mwangaza
- Rekebisha Mwangaza wa Onyesho: Short press the "Dimmer" button to cycle through 4 levels of display brightness (low, medium, high, off).

Figure 9: Adjustable time display brightness levels.
5. Matengenezo
- Kusafisha: Futa kifaa kwa kitambaa laini na kikavu. Usitumie visafishaji vya kioevu au vifaa vya kukwaruza.
- Hifadhi: Hifadhi mahali pa baridi, kavu wakati haitumiki kwa muda mrefu.
- Nguvu: Ensure the device remains plugged into a power source for continuous functionality, especially for the sound machine and night light features. The backup battery is solely for the alarm function during power interruptions.
6. Utatuzi wa shida
- Kifaa hakiwashi: Ensure the device is properly plugged into a working power outlet. Check the USB cable and adapter for damage.
- Kengele haisikii: Verify that the alarm is set and activated (alarm icon visible on display). Check the alarm volume setting. Ensure the device is plugged in, as the backup battery only supports the alarm function for a limited time during power outages.
- Masuala ya ubora wa sauti: Ensure the device is placed on a flat, stable surface. The speaker is located on the bottom of the unit, so avoid placing it on soft surfaces that might muffle the sound.
- Onyesho ni angavu/lililofifia sana: Use the "Dimmer" button to adjust the display brightness to your preference.
- Mipangilio haihifadhiwi: The device has a memory function. If settings are not retained, ensure the device is not completely losing power for extended periods beyond the backup battery's capacity.
7. Vipimo
- Vipimo vya Bidhaa: Inchi 4.25 x 4.25 x 2.2
- Uzito wa Kipengee: 7.68 wakia
- Jina la Mfano: HAC-F4
- Betri: 1 Lithium Polymer battery required (included, for backup alarm function)
- Mtengenezaji: Hushing
8. Udhamini na Msaada
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Hushing webtovuti. Weka risiti yako ya ununuzi kwa madai yoyote ya udhamini.