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Noise-free Calls for Work, All-day Comfort for Play
Enjoy noise-canceling performance and high-quality sound with the Emerson NoiseZero Headphones ES204. These wireless earphones deliver up to 6 - 8 hours of continuous playback per charge. When the charging case battery is low, just use the USB-C cable to fully charge it in only 1.5 hours.
After you pair them once, these open-ear headphones automatically connect to your device when you open the charging case. Connect these Bluetooth earphones to your phone, laptop, or tablet and switch between active audio instantly. Never waste time having to connect and disconnect your earphones between different devices again.
These user-friendly earbuds send superior, clear sound that you can play, pause, and operate with seamless touch controls. The detachable mic blocks out background noise, so your voice comes through loud and clear. This ENC noise-canceling mic lets you make clear calls, even in noisy places like subways, malls, or crowded streets.
Experience immersive audio at home, in the office, outdoors, or even at the gym with its IPX4 waterproof rating. These powerful, over-ear earbuds have a comfortable, secure fit with an open-ear design. This design keeps you comfy, reduces ear fatigue, and lets you stay aware of what’s going on around you. The open-ear construction delivers great sound while also removing the need for different ear tip sizes.
The Emerson NoiseZero Headphones ES204 give you comfort and clear, noise-free calls every time.
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Detachable Microphone with Noise Cancellation
The detachable mic blocks background noise with ENC technology, so your voice is always loud and clear. Get clear, noise-free calls once you attach the magnetic mic to either earphone.
Bluetooth 5.4 Technology
These wireless headphones use Bluetooth 5.4 for a faster, more stable connection with less audio delay. They also support A2DP and AVRCP for better sound and control.
IPX4 Waterproof
These wireless headphones are water-resistant, so they can handle sweat, splashes, and light rain—perfect for workouts, biking, or hiking.
24-hour Listening Time
Enjoy 6 - 8 hours of continuous playback per charge. Put the earbuds to charge 3 times before needing to fully charge the charging case for 1.5 hours. Experience up to 24 hours of battery life with our wireless earbuds and portable charging case.
High-quality Stereo Sound
Built with advanced drivers to deliver immersive, detail-rich sound straight to your ear. Experience superior, dynamic audio quality that elevates your listening experience with open-ear design.
Intuitive Controls
Use the touch controls to play, pause, or skip songs without losing focus on what you're doing. Enjoy your music without interruptions.
Bluetooth version: 5.4
Voltage: 3.7 V
Charge input: DC 5 V - 1 A
Frequency: 20 Hz - 20 KHz
Earphone battery: 60 mAh*2
Charging case battery: 600 mAh
Battery type: Rechargeable polymer lithium battery
Earphone playback time per charge: 6 - 8 hours
Carrying case battery charging time: 1.5 hours
Carrying case battery life: 24 hours
Water resistance level: IPX4 waterproof
Package Contents: Wireless earbuds, Charging case, Detachable microphone, USB-C charging cable, User manual
Q: How do I pair the NoiseZero Headphones with my device?
A: Turn on Bluetooth on your device. Open the charging case and take out the earbuds. Look for “Emerson NoiseZero ES204” in your Bluetooth list and tap to connect.
Q: What are open-ear earphones?
A: Open-ear earphones rest outside your ear canal, allowing you to hear your surroundings while listening to audio.
Q: What is Environmental Noise Cancellation (ENC)?
A: ENC filters out background noise, making sure your voice sounds clear to whoever is on the other end of your call. This is different from active noise cancellation (ANC), which blocks out noises so the person wearing the earphones can’t hear them.
Q: Do the NoiseZero Headphones support Active Noise Cancellation (ANC)?
A: No, the detachable microphone of the NoiseZero Headphones supports Environmental Noise Cancellation (ENC), but the earphones do not support Active Noise Cancellation (ANC).
Q: Can I use the NoiseZero Headphones without attaching the microphone?
A: Yes, the earphones are still usable with or without the microphone attached.
Q: Are the NoiseZero Headphones suitable for outdoor use or workouts?
A: Yes, the open-ear design is great for running, cycling, or gym sessions, allowing you to stay aware of your surroundings. The IPX4 waterproof feature is also great for water/sweat resistance.
Q: How do I charge the NoiseZero Headphones and the charging case?
A: Place the headphones in the charging case to charge them. Use the included USB-C charging cable to charge the case.
Q: Do the NoiseZero Headphones support voice assistants like Siri or Google Assistant?
A: No, the NoiseZero Headphones do not support voice assistants.
Q: How long is the battery life with and without the microphone?
A: The battery life can vary. The earphones deliver 8 hours of continuous playback, or 6 hours when you attach the microphone.
Q: Are the NoiseZero Headphones compatible with PCs, smartphones, and tablets?
A: Yes, the NoiseZero Headphones use Bluetooth, making them compatible with:
Q: Can I use just one earbud at a time?
A: Yes, the NoiseZero Headphones support mono mode, allowing you to use either the left or right earbud separately.
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