Sony WH-CH520 Headset Wireless Head-band Calls/Music USB Type-C Bluetooth Blue

LED indicators: Charging | Product colour: Blue | Battery type: Built-in battery | On/off switch: Yes | Wearing style: Head-band | Connectivity technology: Wireless | LED indicators: Power | USB connector: USB Type-C | Cables included: USB | Product type: Headset | Package weight: 310 g | Warranty card: Yes | Quick start guide: Yes | Driver unit: 3 cm | Package width: 44 mm | Weight: 147 g | Bluetooth version: 5.2 | Battery technology: Lithium-Ion (Li-Ion) | Bluetooth profiles: SBC | Wireless range: 10 m | Package depth: 172 mm | Battery voltage: 3.7 V | Recommended usage: Calls/Music | Package height: 228 mm | Bluetooth: Yes | Bluetooth profiles: HSP | Battery recharge time: 3 h | Control unit type: On-ear control unit | Bluetooth profiles: A2DP | Bluetooth profiles: AAC | Ear coupling: Circumaural | Bluetooth profiles: AVRCP | Talk time: 40 h | Frequency band: 2.4 GHz | Control type: Buttons | Headset type: Binaural | Bluetooth profiles: HFP | Operating keys: Volume + | Operating keys: Bluetooth pairing | Charging source: USB | Battery charge indicator: Yes | Fast charging time: 10 min | Operating keys: Track | Acoustic system: Closed | Fast charging: Yes | Microphone type: Built-in | Works with the Google Assistant: Yes | Operating keys: Play/Pause | Operating keys: Track | Charging stand: No | Continuous audio playback time: 50 h | Battery operated: Yes | Operating keys: Volume - | Battery life: 3000 min | Works with Apple Siri: Yes | HD voice: Yes