Sony WH-CH520 lightweight on-ear Bluetooth headphones with multipoint connectivity for easy switching between two devices. DSEE music upscaling improves sound clarity, while clear voice call support keeps conversations natural. Earcups swivel flat for compact carrying and the Headphones Connect app lets you adjust EQ and settings. Up to 50 hours battery life with quick charge (3 minutes gives about 90 minutes playback). Includes USB-C charging cable (A to C, 20 cm) and reference guide. Compatible with Bluetooth 4.0, 5.0 and 5.2.