JBL Spatial Sound Immerse yourself in JBL Spatial Sound and feel like you're in a theatre, at a concert or in the studio with your favorite artist. True Adaptive Noise Cancelling Tune out the outside world entirely or customize just how much ambient sound you decide to let in, with four noise-sensing mics that automatically adapt to your surroundings in real time. The audio compensation filter in the JBL Headphones App even allows you to customize and fine-tune the Adaptive Noise Cancelling level to your ear canal's unique shape. 50 hours playback Enjoy 10 hours of playtime, plus another 40 in the charging case.* Need to recharge even faster? 10 minutes on a USB type-C charging cable will give you another four hours of playtime. You can also recharge them using wireless charging. (*with ANC off) 6 mics for perfect calls Six beamforming microphones reduce wind and noise interference, so your words always come through loud and clear. And you can create your own calling environment with Personal Sound Amplification's customized ambient sound levels. A voice equalizer and voice level optimizer give you full control not only over how you sound to others, but how loud they sound to you. Google Finder and Audio Switch With the Google Finder service, if you ever misplace your earbuds, a network of over 3 million Android devices will automatically help you find it. With Google Audio Switch the earbuds seamlessly switch from one Android Bluetooth® device to another. Jump from a video on your tablet to a call on your mobile phone, and never miss a moment. Additional Features Multi-point connection Effortlessly switch from one Bluetooth device to another and make going from streaming on your tablet to taking a call on your mobile a breeze. Water and dust resistant From the beach to the bike trail, the JBL Live Flex 3 earbuds are waterproof and dustproof for all your outdoor adventures. JBL Headphones App Personalize the soundtrack of your life with the free JBL Headphones app. Adjust the Adaptive Noise Cancelling to your ears' shape, tweak ambient sound control settings, check your best fit, or find your earbuds. You can also choose your preferred voice assistant, change how the earbuds behave through gesture customization, or adapt the sound output to audio or video to get the most out of your content. Personi-fi 3.0 Hear and feel every note of your playlist. Shape your audio to match your listening profile with interactive customization tools that help determine the sound curve that suits you best. S pecifications Make your day sound amazing Get customized sound without even looking at your phone. Use the controls on the Smart Charging Case™ of the JBL Live Flex 3 true wireless noise-cancelling open-stick earbuds with Hi-Res Audio to customize all their features without opening the JBL app on your device. Adjust volume and EQ, control your music, take phone calls, see messages—you can even customize the screensaver with your favorite photos. And that’s before you get to enjoy the monumental JBL Signature Sound of the Live Flex 3 earbuds themselves. Best-in-class True Adaptive Noise Cancelling tunes out distractions. JBL Spatial Sound makes movies and music truly immersive. And if you have to take a call, 6 mics ensure perfect sound quality even in the noisiest surroundings. All this, plus a 50-hour charge: 10 hours in the buds* and another 40 in the case—and they can charge wirelessly. The charging case features a loop to attach a lanyard for even more convenience. Great sound has never been simpler. (*with ANC off) General Specifications Driver size 12 mm/ 0.47" Dynamic Driver Power supply 5V 1A Maximum operation temperature 45 °C Audio Specifications Frequency response 20 Hz - 40 kHz Impedance 13 ohm Sensitivity 100 dB SPL@1 kHz Maximum SPL 95 dB Dimensions Earbud 4.5 g per pc (9.0 g combined)/0.0099 lbs per pc (0.0198 lbs combined) Charging case 63.7 g/ 0.1404 lbs Microphone sensitivity -38 dBV/Pa@1 kHz Control and Connection Specifications Bluetooth version (Earbud) 5.3 Bluetooth version (Charging case) 5.1 Bluetooth profile version HFP Bluetooth transmitter frequency range 2.4 GHz - 2.4835 GHz Bluetooth transmitter power (Earbud) <9 dBm (EIRP) Bluetooth transmitter power (Charging case) <10 dBm (EIRP) Bluetooth transmitter modulation (Earbud) GFSK, π/4-DQPSK, 8-DPSK Bluetooth transmitter modulation (Charging case) GFSK Battery Earbud battery type Lithium-ion battery (50 mAh/ 3.85 V) Charging case battery type Lithium-ion battery (690 mAh/ 3.85 V) Charging time 2 hrs from empty Music playtime with BT on and ANC off Up to 10 hrs Music playtime with BT on and ANC on Up to 7 hrs Music playtime with BT on and True Adaptive ANC on Up to 6.5 hrs Talk time with ANC off Up to 5 hrs What's in The Box? 1 x JBL Live Flex 3 earbuds 1 x Type-C USB charging cable 1 x Charging case 1 x product QSG/ Safety Sheet (S / i)