Will these work with Android phones?

They work with any phone or device that uses Bluetooth

The right earbud has no volume, and I've tried to reset the pair multiple times. How do I fix it?

TOZO’s customer service is second to none. I had a pair of NC-9’s, and the controls on the left earbud failed, though sound still came out. I re-paired, reset, tried everything to no avail. They were almost a year old. I contacted TOZO and explained the problem and what I’d done to resolve it. Within a few hours, I had a very polite and helpful response. They asked for my address, asked me what color I wanted, and within a week, new NC-9’s were on my doorstep. I was charged zero for shipping. I love my NC-9 earbuds, and the Crystals run a close second. I love everything about TOZO.

Appare the crystal buds supported by the tozo app?

They are supported but not like you'd think. These only allow for the equalizer control in the app as there is no ANC on these earbuds.

Are these comfortable and effective enough to wear while sleeping so that other people don't have to listen to my bedtime music?

In my opinion, they don’t work for sleeping, unless you completely sleep on your back. They stick out from my ears too much; they don’t lay flat enough to sleep on the side of my head at all. As far as disturbing your sleep partner, there are variables: - how deeply do they sleep? - how loud do you play iyour music? * I have both the Crystal earbuds and the NC9 ones. The NC9’s are flatter and much more comfortable. They fill the auricle of the ear more completely. I can sleep in them for awhile, and my husband doesn’t complain. But, he’s a pretty good sleeper. For your purposes, I think the NC9’s would be better, but that’s my ears! BTW, mine are the pre-2022 model. They’re very inexpensive now, since new ones came out. Good luck!

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T18 Bluetooth 5.3 True Wireless Stereo Earbuds IPX8 Waterproof in Ear Headset Call Noise Reduction Headphones with Digital Display and Transparent Case Long Standby Earphones Black

Product ID: 503848005

Details

Brand
TOZO
Colour
Black
Ear placement
In Ear
Form factor
In Ear
Impedance
16 Ohms

💧IPX8 waterproof rating

📶Bluetooth 5.3 stable connection

🔋40+ hrs total battery life

₨17445

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Description

🎧 Elevate your audio game with TOZO T18 — where style meets unstoppable tech.

POWER THAT KEEPS UP - Enjoy over 9 hours of continuous playback per charge and a massive 40+ hours with the wireless charging case—never miss a beat during your busiest days.
SMART DIGITAL DISPLAY - Stay effortlessly informed with a sleek LED screen showing real-time battery levels for both earbuds and case—no more guessing when to recharge.
NEXT GEN BLUETOOTH 5 3 - Experience ultra-stable, low-latency wireless connectivity that keeps your calls crystal-clear and your music uninterrupted.
UNSTOPPABLE WATERPROOF DESIGN - IPX8-rated nano coating means sweat, rain, or intense workouts won’t slow you down—your earbuds stay protected and ready for action.
IMMERSIVE SOUND WITH AI NOISE REDUCTION - Four built-in microphones and dual-mic AI algorithms deliver high-fidelity audio and crystal-clear calls, even in noisy environments—because your voice deserves to be heard.

The TOZO T18 True Wireless Earbuds combine cutting-edge Bluetooth 5.3 technology with an IPX8 waterproof rating and a smart LED digital battery display. Designed for professionals on the move, they offer up to 9 hours of playback per charge and over 40 hours total with the wireless charging case. Featuring four microphones with AI noise reduction, these earbuds deliver crystal-clear calls and immersive high-fidelity sound, all wrapped in a sleek, semi-transparent design that fits comfortably and securely for all-day wear.

Specifications

Additional Features	Wireless Charging
Age Range Description	Adult
Antenna Location	Calling
Asin	B0BCFQY7ZY
Audio Driver Size	6 Millimeters
Audio Driver Type	Dynamic Driver
Battery Average Life	9 Hours
Battery Charge Time	7.5 Hours
Best Sellers Rank	#30,316 in Electronics (See Top 100 in Electronics) #1,419 in In-Ear Headphones
Bluetooth Range	10 Meters
Bluetooth Version	5.3
Brand	TOZO
Built In Media	Wireless Charging Case
Cable Features	Detachable
Carrying Case Battery Capacity	400 Milliamp Hours
Carrying Case Color	Black or Transparent
Carrying Case Material	Transparent plastic or resin
Carrying Case Weight	48.4 Grams
Color	Black
Compatible Devices	Cell Phone, Computer, Laptop, Tablet, Car Audio System
Connectivity Technology	Wireless
Control Method	Touch
Control Type	Touch Control
Controller Type	Touch
Country Of Origin	China
Customer Reviews	4.3 4.3 out of 5 stars (2,747) 4.3 out of 5 stars
Earpiece Shape	Rounded tip
Enclosure Material	Plastic
External Testing Certification	177202201739
Frequency Range	2 Hz - 20,000 Hz
Frequency Response	20 KHz
Global Trade Identification Number	06971681317340
Headphone Folding Features	In Ear
Headphone Jack	Without Audio Connector
Headphones Ear Placement	In Ear
Impedance	16 Ohms
Is Autographed	No
Item Weight	48.4 Grams
Manufacturer	TOZO
Model Name	T18
Model Number	T18
Noise Control	Adaptive Noise Cancellation
Number Of Items	1
Series Number	1
Specific Uses For Product	Music, Sport, Travel
Style Name	Contemporary" or "Modern
Subject Character	no character
Theme	Glass buds
Unit Count	1.0 Count
Warranty Description	1 year manufacturer
Water Resistance Level	Waterproof
Wireless Technology	Bluetooth

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₨17445

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

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TrustScore 4.5 | 7,300+ reviews

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