KZ AZ20
Essential wireless accessory for audiophiles
Qualcomm QCC5171 wireless ear hook
Bluetooth 5.3
Snapdragon Sound Technology
aptX HD Audio Lossless Decoding
Three Original Performance Modes
Long-lasting Battery Life
Zero Perceptible Latency

The Qualcomm aptX Adaptive technology allows wireless transmission of high-definition audio at 24-bit 48kHz and 24-bit 96kHz. QCC5171 supports the latest aptX Lossless. With aptX Voice technology
Snapdragon Sound can also support end-to-end Bluetooth Ultra-Wideband (UWB) voice.

Is the sound quality of your wireless earphones poor?
Then it must be that its Bluetooth chip needs to be better!
Suppose you want to enjoy the convenience of wireless headphones and desire satisfying sound quality. In that case, we can responsibly tell you that replacing your play device with one that uses a high-end Bluetooth chip is the best way. KZ AZ20 uses a QCC5171 chip.

Restore the original sound quality
Bringing you the purest and most beautiful listening experience
In the audio field, the higher the sampling frequency, the denser the information captured, and the larger the amount of sound information, the more accurate and natural the sound reproduced. The higher the bit rate (bit), the more data is transmitted per second and the clearer the sound.The 24bit 384kHz QCC5171 can achieve is already the pinnacle of wireless audio technology.

Let strength speak, no bluffing
Many articles are introducing the Qualcomm 5171 chip. Still, it's impossible to find another chip from brands other than Qualcomm that can rival it because it is currently the pinnacle of Bluetooth chips.

Say goodbye to bottom noise and current noise
The ultra-high signal-to-noise ratio of the QCC5171 can cover the frequency response curve of Hi-Fi earphones. Even under high power output, it can maintain a clean background sound, providing an unparalleled auditory feast.

Plug and instantly transform wired earphones into wireless
With just a simple plug and unplug, you can quickly transform your wired earphones into professional wireless earphones
KZ AZ20 allows you to enjoy music with wireless freedom. Experience the convenience and flexibility of wireless audio and enjoy your favorite tunes without the hassle of tangled wires.

Extremely meticulous ergonomic design
KZ AZ20 boasts an exceptionally meticulous ergonomic design crafted based on extensive research of the human ear contours over the years. The ear hook is made from skin-friendly silicone gel and is pre-molded to ensure a perfect fit. This thoughtful design offers a lightweight and comfortable experience, allowing extended wear without feeling pressure or discomfort. The ear hook fits snugly around the ear contours, ensuring a secure fit that minimizes the risk of the earphones falling off during use.

Superior comfort with 30% smaller and lighter ear hooks
Compared to other competing Bluetooth ear hook products, KZ AZ20 stands out with a remarkable 30% reduction in ear hook volume and a lighter overall weight. This makes KZ AZ20 more compact, lightweight, and convenient to wear.

Gaming Mode / Balanced Mode / Bass Boost Mode
With these three original performance modes, KZ AZ20 allows you to customize your audio experience based on your preferences and the type of content you are listening to, making it a versatile and high-quality Bluetooth ear hook.

Ultra-long and enduring battery life
The KZ AZ20 ear hooks provide approximately 6 hours of playback on a single full charge. Combined with the charging case, the total battery life is about 54 hours. This extended battery life ensures you can enjoy your music and audio content freely, anytime and anywhere, without worrying about frequent recharging.

Product Model: KZ AZ20
Bluetooth Version: 5.3
Charging port: Type-C
Bluetooth Range: ~15m
Earphone playing time: ~6 hours
Charging case battery capacity: 800mAh
Earhooks battery capacity: 35mAh
Supports extra recharging times: ~9 times