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

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