Defender FreeMotion B525 (product number 63528) is a wireless stereo headset in White/Pink for listening to audio and hands-free communication. Playback and call controls are on the headset.
Use the 3.5 mm AUX input for wired audio, or play music from a memory card through the MicroSD slot. These options let you listen without relying on a wireless connection.
The headset buttons control playback, track selection and volume; the manual also documents call controls. Charging uses a MicroUSB input marked 5 V.