Defender FreeMotion B525 (product number 63527) is a grey-and-white wireless stereo headset with full-size, closed on-ear earcups for listening and calls. Its built-in microphone and earcup controls keep calls and playback controls close at hand.
It connects via Bluetooth V5.3 + EDR and supports A2DP, AVRCP, HFP and HSP profiles. The 40 mm drivers have a stated headphone frequency response of 20–20000 Hz; the microphone response is 20–16000 Hz. The manufacturer lists an operating range of 10–15 m.
A MicroSD slot supports music playback without a phone or laptop connection, and a built-in FM receiver offers another listening option. Its compact, foldable construction and adjustable headband help with storage and fit. A 3.5 mm jack allows wired listening.
Package contents: audio cable.