The Sony WH-CH520 Wireless Bluetooth On-Ear Headphones offer long-lasting battery life, lightweight comfort, and reliable Bluetooth connectivity for everyday audio needs. Designed with soft ear pads and an adjustable headband, these closed-style headphones deliver balanced sound through 30 mm drivers and support SBC and AAC audio formats over Bluetooth 5.2. With up to approximately 50 hours of playtime on a full charge and USB-C quick charging (about 3 hours to full), they keep your music, podcasts, and calls going throughout the day. A built-in microphone enables hands-free calling while volume and playback controls make operation simple and intuitive.

• Headphone Type: On-Ear Closed  
• Driver Unit: 30 mm  
• Bluetooth Version: 5.2  
• Supported Audio Formats: SBC, AAC  
• Battery Life: Up to approx. 50 hours  
• Charge Time: Approx. 3 hours  
• Quick Charge: Quick boost via USB-C  
• Color Options: Black, White, Blue, Beige, Pink, Yellow  
• Microphone: Built-in for hands-free calls  
• Controls: Playback, call, and volume buttons  
• Connectivity: Bluetooth wireless  
• Comfortable ear pads and adjustable headband  
• Lightweight design for all-day listening