[Custom EarFun App & 55ms Low Latency] Customize various functions of the earbuds with the dedicated EarFun App. Utilize the 10-band EQ to adjust the sound to your preference, define touch control actions, and switch between noise canceling modes, all from a single app. Turn on the Game Mode via the app to enjoy the 55ms low latency for synchronized gaming and streaming. You can download the latest APP to update the firmware for more functions. [Bluetooth 5.3 & Multipoint Connection] The latest Bluetooth 5.3 certification allows the EarFun Free Pro 3 earbuds to stay securely connected to two devices simultaneously, so you don't worry about phone calls while streaming or gaming. [Customizable Fit & 33Hrs Playtime] The 4.5g ultra-lightweight Bluetooth earbuds come with (5) pairs of silicone tips (XS, S, M, L, XL) and (3) pairs of ear hooks to fit any shape and provide all-day comfort. Enjoy 7.5 hours of playtime on a single charge (with ANC off) and extend it to 33H via the rechargeable USB-C case to eliminate battery anxiety. The playtime varies by using mode, volume level and audio content. [6 Mics with Qualcomm cVc 8.0 Noise Reduction] Each earbud houses a built-in three-microphone array powered by Qualcomm's cVc 8.0 intelligent noise-canceling algorithm to distinguish human voices while reducing unwanted environmental sounds accurately. [Active Noise Canceling up to 43dB] Experience active noise cancellation with EarFun's QuietSmart 2.0 ANC technology that reduces noise by up to 43 dB. Freely switching between three modes (ANC / Ambient Sound / Normal) with one button allows you to immerse yourself in your own world no matter your environment. Upgrade the latest firmware in the App to experience the Ear-Adaptive ANC modes for better ANC effect. [Snapdragon Sound & Hi-Res Sound & aptX Adaptive Audio] The EarFun Free Pro 3 wireless earbuds adopt the latest advanced Qualcomm QCC3072 chip, new Snapdragon Sound Technology, and aptX adaptive audio to deliver a dynamic yet balanced audio experience. Our true wireless earbuds are compatible with Hi-Res audio decoding, providing a transfer rate of up to 24bit/96kHz, achieving lossless transfer while delivering high fidelity.