The RealFit F2 Pro follow an in-ear fit and operate as true wireless earbuds, meaning there are no cables or neckband involved. They are not designed with wingtips, so the fit relies entirely on the earbud housing itself. The earbuds support stereo playback through dual speakers, while extras such as RGB lighting, UV light, and an onboard display are not part of the design.
The RealFit F2 Pro use a 13 mm driver unit and cover a frequency range of 20 Hz to 20,000 Hz. Both active noise cancellation and passive noise reduction are supported, giving the earbuds two layers of sound isolation. Spatial audio, Dolby Atmos, and Dirac Virtuo are not featured, and the driver does not use a neodymium magnet.
Each earbud carries a 30 mAh rechargeable battery delivering up to 8 hours of playback, which drops to 4 hours when active noise cancellation is enabled. The charging case holds 250 mAh and extends total battery availability to 20 hours, with a full charge taking 1.5 hours. A battery level indicator is included, while wireless charging and solar power are not supported.
The RealFit F2 Pro connect wirelessly via Bluetooth 5.4 with a maximum range of 10 meters and an audio latency of 60 ms. Charging is handled through a USB Type-C port, though fast pairing and NFC pairing are not supported. On the codec side, the earbuds do not include LDAC, LDHC, AAC, Auracast, Bluetooth LE Audio, or any variant of aptX, including aptX Adaptive, aptX HD, aptX Low Latency, aptX Lossless, and aptX Voice.
The RealFit F2 Pro include an ambient sound mode for environmental awareness, a mute function, and voice prompts for audio feedback during use. They can be used as a headset and feature a control panel placed on the device, though an in-line control panel is not present. Fast charging is supported, and a travel bag is included in the package. In/on-ear detection, a find device feature, notification reading, a body temperature sensor, and a camera remote shutter function are all absent.
The RealFit F2 Pro feature a 5-microphone array with noise-canceling capability, allowing the earbuds to filter out unwanted background sound during calls and voice use.