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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Description

🎧 Elevate Your Sound Experience!

ALL WEATHER READY - IPX8 waterproof design for workouts and outdoor adventures.
CRYSTAL CLEAR CALLS - 4 microphones with AI noise reduction for flawless communication.
SMART POWER DISPLAY - LED screen shows real-time battery status for hassle-free usage.
SEAMLESS CONNECTIVITY - Experience the power of Bluetooth 5.3 for a stable connection.
LONG LASTING PERFORMANCE - Enjoy up to 9 hours of playtime, with a total of 40+ hours with the case.

The TOZO T18 Bluetooth 5.3 True Wireless Stereo Earbuds offer cutting-edge technology with a sleek design, featuring IPX8 waterproofing, high-fidelity audio, and an impressive battery life of over 40 hours. Perfect for professionals on the go, these earbuds ensure crystal-clear calls and seamless connectivity, making them an essential accessory for any modern lifestyle.

Specifications

Control Method	Touch
Control Type	Media Control
Unit Count	1.0 Count
Item Weight	48.4 Grams
Audio Driver Type	Dynamic Driver
Noise Control	Sound Isolation
Headphone Folding Features	In Ear
Earpiece Shape	Rounded tip
Headphones Ear Placement	In Ear
Style Name	Contemporary" or "Modern
Theme	Crystal Buds
Color	Black
Battery Average Life	9 Hour
Carrying Case Battery Capacity	31 Hours
Wireless Technology	Bluetooth
Bluetooth Version	5.3
Connectivity Technology	Wireless
Headphone Jack	Bluetooth
Water Resistance Level	Waterproof
Is Electric	Yes
Total USB 2.0 Ports	1
Antenna Location	Calling
Compatible Devices	IOS/Android mainstream phones
Cable Features	Detachable
Additional Features	Microphone Included
Enclosure Material	Crystal ABS PC
Specific Uses For Product	Music, Sport, Gaming

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