3.52 ounces

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【One-step Pairing】- A40 Pro wireless earbuds Built in hall switch, headphones wireless bluetooth will auto power on and connect with your last device once you open the charging case after first connection, which is faster and more convenient.
【Crystal and Clear Calls and Immersive Stereo】- A40 Pro Bluetooth earbuds have strong 12mm speakers driving units and in ear acoustic structure support, which produces a strong bass, clear mid sound, and bright treble. The unique acoustic design of the cavity room, balanced internal and external air pressure, avoid sound loss, ensure stable sound and penetrating power, even in a noisy environment can provide clear voice detection. You can enjoy your personal space whether you are indoors, outdoor, work or exercise.

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2022 Bluetooth 5.3 and Extremely Fast Pairing: Powered by twin Bluetooth 5.3 chip, these noise cancelling wireless earbud support 24bit 420khz high-definition sound quality for music, ensure stable connection, fast transmission and super-low power consumption. Just take 2 bluetooth headphones out from the charging case, and they will connect each other automatically and then only one step easily enter mobile phone Bluetooth setting to pair the earbuds. No extra complicated steps.
Immersive Stereo Sound and HD Call: Wireless headphones in ear with dual mic which used CVC8.0 technology strongly eliminating external noise up to 35dB which pick up & amplify your vocals even in a crowded space. J52 bluetooth earbud make your communication are now clearer than ever. Beside, bluetooth earphones customized 13mm Pu+Biological composite driver provide extra bass [43%+] , mellow vocal and surprising treble for music, movies. Reproducing your music vividly.

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[Expertly Tuned Sound] Thanks to the advanced chip and a 12mm large driver, the bass is tuned with great power, ultimate depth, and rich layers, while ensuring clear vocals and crisp treble. The upgraded T10 delivers an open sound and maximizes the soundstage, which would fill up your listening area.
[Low latency Game Mode] Ensure a reliable transmission with near-zero delay, making the earbuds ideal for playing games and watching videos.

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Premium Sound Quality: Wireless earbuds with built-in high-quality audio chip,Experience crisp, high-fidelity sound,low signal loss when on phone call and listen to music. with the unique sound cavity design of the bluetooth headphone, give you the perfect and loud stereo sound, Feels like hearing on the scene, providing a realistic sound for you.
Effortless Pairing: Wireless earbuds adopt advanced Bluetooth 5.1 technology and antenna technology, ensure a stable connectivity and high speed transmission, Bluetooth earphones would instant paired once taken out from the charging case and auto connects with the last-paired device.