Sony WH-CH520. Product type: Headset. Connectivity technology: Wireless, Bluetooth. Recommended usage: Calls/Music. Wireless range: 10 m. Weight: 147 g. Product colour: Black

• 3-min quick charge = 1.5 hour play
• 10-min quick charge = 5.5 hour play
• Headphones connect app
• Fast pair for Android
• Swift pair for Windows
• 360 Reality Audio
• Microphone type: Built-in
• Built-in battery Lithium-Ion (Li-Ion)