Sony Link Buds S

Headphone type: closed, dynamic. dsee extreme: yes. frequency response (bluetooth communication): 20 hz - 20,000 hz (44.1 khz sampling) / 20 hz - 40,000 hz magnet: high-power neodymium magnets. driver unit: 5 mm. waterproof: yes (ipx4). comfort: designed for a comfortable and secure fit, with extensive ear shape data used in their design. noise cancelling: yes, bluetooth: bluetooth version: 5.2. effective range: 10 m. frequency range: 2.4 ghz band (2.4000 ghz - 2.4835 ghz). supported profiles: a2dp, avrcp, hfp, hsp / tmap, csip, mcp, vcp, ccp. battery charge method: usb charging (with case). continuous music playback time: max. 6 hours (nc on) / max. 9 hours (nc off). continuous communication time: max. 3.5 hours (nc on) / max. 3.5 hours (nc off). waiting time: max. 8.5 hours (nc on) / max. 16 hours (nc off).