Sony WH-CH520 - lightweight over-ear Bluetooth headphones. Condition: original. Runtime: up to 50 hours of listening without charging. USB Type-C fast charging provides about 1.5 hours of use in just 3 minutes. Calls: built-in microphone with clear speech for conversations. Connectivity: Bluetooth 5.3 with Multipoint support (can connect to two devices simultaneously, for example, a phone and a laptop). Controls: convenient physical buttons on the right earcup for adjusting volume and skipping tracks. Weight: 147 grams, with a soft headband and comfortable ear cushions for long wearing. Sound: balanced, with deep (but not boomy) bass and clean vocals. They support DSEE sound enhancement technology and EQ customization via the Sony | Headphones Connect app. Noise cancellation: none. They rely only on natural passive isolation from the snug-fitting ear cushions. Price: 100 GEL