You can use the headphones for up to 24 hours on a single charge when ANC is turned off, and 20 hours when it is enabled. Huawei FreeBuds Studio are claimed to run for up to 8 hours with just 10 minutes of charging with ANC disabled. It is powered by a 410mAh battery that charges via USB Type-C. A full charge is said to take 60 minutes to complete
The company says that the four outward facing mics on the Huawei FreeBuds Studio clearly pick up human voices from background noise, while the two inward-facing mics collect can avoid strong wind interference. It also uses Tee Audio Tube structure that links the inner ear space with the front and back sound cavity to filter out noise. Controls are both physical and touch-sensitive, with the touch area on the right ear cup.
Huawei FreeBuds Studio can be connected with up to two devices simultaneously. It uses Huawei's L2HC wireless audio codec technology that is claimed to achieve an audio transmission rate of up to 960KBps. The codec isn't widely supported on source devices for now. It also has Bluetooth 5.2, wear detection, IMU sensors, and a pop-up pair feature that works with Huawei phones running on EMUI 10.1. The headphones measure 165 x 150 x 81.5mm, and weigh around 260 grams.
