Do these work with the kbear ks2? if not, is there any that do?

Hi Cashews, Thank you so much for your message; unfortunately, KZ Bluetooths are not compatible with KBear products, but you might be interested in these type, KBEAR S1 Bluetooth 5.0. Kind regards, ~Gabriel KC Island

How long to the bateries last without putting them back into the box?

I have gotten 7 hours of use out of these without the charging box. I did not see the remaining battery life at the end of the 7 hours but the headset was still going with no distortions.

Hola, ¿sirven para los kz zas?

Si, pero debes comprar la versión con pin c

what ipx rating are these?

According to some listings they are level 5 and this one says they are sweat proof so you are probably good wearing them in the rain or while sweating but I wouldn't go swimming with them.

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KZ AZ09Pro Bluetooth V5.2 aptX/TWS + Earbuds Hook with Mic Support/40 Hours Playback and APP Control for Standard 0.75/0.78mm 2PIN Connector (C PIN, Black)

KZ AZ09Pro Bluetooth V5.2 aptX/TWS + Earbuds Hook with Mic Support/40 Hours Playback and APP Control for Standard 0.75/0.78mm 2PIN Connector (C PIN, Black)

Product ID: 392470768

Details

Brand
KZ
Colour
Black
Ear placement
In Ear
Form factor
In Ear
Noise control
Sound

🎧aptX HD Pure Sound

📱APP Control & Bluetooth 5.2

🔋48H+ Playback Power

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€ 108.43

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Elevate Your Sound Game — Wireless Freedom Meets Pro-Level Performance

SEAMLESS APP CONTROL - Customize sound profiles and settings effortlessly via the dedicated app—your earbuds, your rules.
CRYSTAL CLEAR HD CALLS - CVC noise reduction ensures your voice cuts through the noise—perfect for professional calls on the go.
COMFORT MEETS DURABILITY - Memory-shaping liquid silicone earhooks provide a secure, skin-friendly fit that keeps up with your active lifestyle.
EPIC 48 HOUR BATTERY LIFE - Stay powered through your longest workdays and weekend adventures without a recharge panic.
UNLEASH TRUE WIRELESS FREEDOM - Transform your wired KZ IEMs into sleek, wireless earbuds in seconds with cutting-edge TWS+ dual transmission tech.

The KZ AZ09Pro Bluetooth V5.2 Earbuds Hook upgrades compatible KZ wired earphones into true wireless earbuds featuring Qualcomm’s QCC3040 chip, aptX HD sound, and TWS+ dual transmission technology. With up to 48 hours of playback via a portable charging case, CVC noise reduction for HD calls, and app-based customization, it’s designed for professionals seeking premium wireless audio without sacrificing comfort or control.

Specifications

ASIN	B09N973T3G
Additional Features	Microphone Included, wireless
Age Range Description	Adult
Antenna Location	Music, Calling, Exercising
Audio Driver Type	Dynamic Driver
Battery Average Life	48 Hours
Best Sellers Rank	#60,810 in Electronics ( See Top 100 in Electronics ) #3,118 in In-Ear Headphones
Bluetooth Range	15 Meters
Bluetooth Version	5.2
Brand	KZ
Built-In Media	Wireless Charging Case
Cable Features	Without Cable
Carrying Case Battery Average Life	48 Hours
Carrying Case Color	Black
Carrying Case Material	Silicone
Carrying Case Weight	85 Grams
Color	Black
Compatible Devices	KZ Headsets
Connectivity Technology	Wireless
Control Method	App
Control Type	Media Control
Controller Type	Integrated Media Controls
Customer Package Type	Wireless Charging Case
Customer Reviews	4.1 4.1 out of 5 stars (173)
Earpiece Shape	rounded tips
Enclosure Material	Silicone
External Testing Certification	Não aplicável
Frequency Range	20 Hz - 20,000 Hz
Headphone Folding Features	In Ear
Headphone Jack	No Jack
Headphones Ear Placement	In Ear
Is Autographed	No
Item Weight	4.5 Grams
Manufacturer	Shenzhen Yuanze Electronic Co., Ltd
Model Name	language _ tag
Model Number	AZ09Pro
Noise Control	Sound Isolation
Number of Items	1
Specific Uses For Product	Sports, Music, Travel
Style Name	C PIN
Subject Character	no character
Theme	Technology
Unit Count	1 Count
Water Resistance Level	Water Resistant
Wireless Technology	Bluetooth

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