Specifications
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SmartVoice technology for offline voice control - no app, no Wi-Fi, no hub required
2-in-1 compact design - easily fits into one socket, giving you two free-to-use sockets
Customizable timers - use voice commands to set wake and sleep timers
LED light indicator - shows the current status of the plug
Individual & group control - activate plugs one at a time or as a group
Compatible with lamps, holiday lights, heaters, fans, and more
Voice-Controlled Smart Plug with No Wi-Fi or App Required
Create a comfortable lifestyle with the Emerson SmartVoice Wall Plug ES521.
Control your home appliances connected to this innovative plug with just your voice. And thanks to SmartVoice technology, you can freely use voice control without needing an app, hub, or Wi-Fi. This smart voice control system keeps your privacy safe by working completely offline. This offline device processes voice commands locally, so it never leaks or stores your data.
Use this offline smart plug to set timers and control power-on devices such as coffee makers, heaters, fans, and more.
Get more SmartVoice plugs to operate them via group control. Or assign unique wake words for 4 plugs to control them separately. Experience a smarter, more convenient way to control your appliances with the Emerson SmartVoice Wall Plug ES521.
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SmartVoice Technology
IAI Smart has a special offline voice control. It includes a built-in microphone, a 3W speaker, and a voice control chip. This design focuses on user privacy. It stops data collection and ensures a fast response time.
Plug-and-play Operation
Plug in this wall plug and you’re ready to use voice control. With offline functionality, you don’t have to set up Wi-Fi, Bluetooth, or other wireless connections. You don’t need any app, Wi-Fi, or hub to use this smart wall plug.
Wake & Countdown Function
This smart plug with a timer lets you set times to turn your device on or off automatically.
Individual & Group Control
With more than 1 plug, you activate them all at once with “Hey Emerson.” Or you can assign a different wake word for up to 4 plugs to operate them individually.
Perfect for Power-on Appliances
These smart plugs are compatible with most home appliances. For the best results, use these plugs with plugged-in appliances that have a single function.
Offline Data Protection
All voice commands are processed offline, directly on the device—never sent to the cloud. Offline, on-device voice control makes sure all your personal information stays with you—no data leaks, no tracking, and complete peace of mind.
Dual-Socket Design
Each SmartVoice Wall Plug has 2 side-by-side sockets, so it only occupies one wall socket. That means you can plug two SmartVoice Wall Plugs into the same wall outlet. Use the SmartVoice socket for voice-controlled timers, while the regular socket keeps your device on all the time.
Dimensions: 1.34 in. x 5.21 in. x 1.59 in.
Weight: 3.63 oz.
Color: White
Maximum voice range: approximately 13 ft. – 16 ft.
Input voltage: 125 V AC, 60 Hz
Output current (resistive): 15 A Max / 1875W
Output current (tungsten): 8 A Max / 1000W
Wake timer selection: 15, 30, or 45 min./1, 2, 4, 8, or 12 hrs.
Sleep timer selection: 15, 30, or 45 min./1, 2, 4, 8, or 12 hrs.
Package Contents: Wall plug, User manual, Quick start guide
Q: What is the wake word for the SmartVoice Wall Plug, and what does it do?
A: The wake word for this wall plug is “Hey Emerson.” The wake word may also be set to “Hey Plug [1, 2, 3, or 4].” The wake word is the phrase that the wall plug will always listen for to enter the “Waiting for command” state.
Q: How do I control the SmartVoice Wall Plug using voice commands?
A: To control this wall plug, you must say the wake word “Hey Emerson.” Say “Hey Emerson,” then give a command within a few seconds, like “Power down” or “Wake in 1 hour.” Refer to your wall plug’s manual for the list of supported commands.
Q: Can I use the voice commands without a Wi-Fi connection?
A: Yes, this privacy-safe smart plug uses SmartVoice technology, which features offline voice recognition. This allows the wall plug to work without an internet or Wi-Fi connection.
Q: Does the SmartVoice Wall Plug work with voice assistants like Alexa or Google Assistant?
No, this is an offline voice-controlled wall plug. This wall plug operates via voice commands without requiring voice assistants.
Q: How do I set up voice control?
A: This wall plug features a plug-and-play design, which allows you to use voice control as soon as you plug in the wall plug.
Q: Why is the SmartVoice Wall Plug not responding to my commands?
A: There are a few possible reasons why the wall plug may not respond to voice commands:
Q: What language(s) does the voice recognition support?
A: Currently, the voice recognition only supports English.
Q: Do I need to update the SmartVoice Wall Plug?
A: No, this wall plug works offline. No one needs to update the firmware.
Q: Can I use voice control on both sockets?
A: No, only the socket labeled “SmartVoice” uses voice control. The other socket is a standard outlet.
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