Emerson CKS1521: full spec sheet and buying guide
The Emerson CKS1521 is a Bluetooth clock radio designed for the nightstand, with an LED display, USB charging, and FM radio. This page summarizes its features based on its official spec sheet and public buyer ratings on Amazon.
Bluetooth 5.1, two configurable alarms, dimmable LED display, and built-in USB charging.
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Display and automatic time setting
It has a 1.4" orange LED display with three brightness levels and an automatic dimming mode. According to its spec sheet, the "SmartSet" system automatically sets the year, month, day, and time (including daylight saving changes), even after a power outage.
Bluetooth and radio
It includes Bluetooth 5.1 to pair your phone or tablet and play music, with up to 10 meters of range according to the manufacturer. It also has digital FM radio with memory for 20 stations and an AUX input for other players.
Alarms and charging
It lets you set two independent alarms, with options for weekdays, weekends, or every day, and choose between waking up to the buzzer or the radio. It includes a USB port (5V/1.5A) to charge your phone right from the nightstand.
Strengths based on its spec sheet
- Two independently configurable alarms
- Built-in USB port for charging your phone
- Bluetooth 5.1 and FM radio with station memory
- Automatic time adjustment after power outages
What to consider before buying
- It's a fixed tabletop device, not portable like a Bluetooth speaker
- The spec sheet doesn't detail the internal speaker's power output
- Fewer accumulated ratings than other more popular products in our catalog
Want to compare this model with other audio options? Check out our audio buying guide.
Who is it ideal for?
Based on its spec sheet, it's a good fit for anyone who wants a classic nightstand alarm clock with extra features (Bluetooth, USB charging, radio) all in one device, instead of using their phone as an alarm clock.
Who is it NOT the best option for?
If you're looking for a portable Bluetooth speaker to move around the house, this isn't the right format: it's designed to stay put on the nightstand.
Frequently asked questions
Can I charge my phone while the alarm is playing?
Yes, it has a dedicated USB port for charging, independent of audio playback.
Does it keep the time if the power goes out?
According to its spec sheet, the SmartSet system automatically resets the time after a power outage.
Can I wake up to music over Bluetooth?
Yes, the alarm can be set to play through the connected Bluetooth source or the FM radio.
Does the Emerson CKS1521 sound like the right fit for you?
See current price on Amazon