📄 Product Description – Sony WH-CH520 Wireless Headphones (Model WH-CH520)
The Sony WH-CH520 wireless headphones are a comfortable on-ear Bluetooth audio solution designed for everyday use, offering a balanced combination of sound quality, connectivity, and long battery life. Equipped with Bluetooth Version 5.2, they provide stable wireless connectivity up to approximately 10 meters, and support SBC and AAC audio codecs for clear and balanced sound. The built-in microphone enables hands-free calling and voice assistant interaction. With an extended battery life of up to 40 hours of continuous playback and a full charge time of approximately 3 hours via USB-C, the headphones offer reliable performance with minimal downtime. Additionally, standby time can reach up to 200 hours, making them suitable for long-term use without frequent recharging.

⭐ Key Specifications:
🔹 Bluetooth 5.2 for stable wireless connections.
🔹 Supported audio codecs: SBC, AAC.
🔹 Closed on-ear design with 30 mm drivers.
🔹 Up to 40 H battery life (continuous playback).
🔹 Approx. 3 H full charge time via USB-C.
🔹 Up to 200 H standby time.
🔹 Wireless range up to 10 m approximately.
🔹 Built-in microphone for calls and voice control.
🔹 On-device controls for playback and volume.
🔹 Lightweight design at around 147 g for extended comfort.

🎯 Closing paragraph:
The Sony WH-CH520 Wireless Headphones deliver sound quality, dependable wireless performance, and long battery life in a lightweight on-ear design—ideal for everyday listening, calls, and media consumption without frequent recharging.