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

Product colour: Black | AC adapter included: No | Weight: 147 g | Package depth: 172 mm | Battery voltage: 3.7 V | Quick start guide: Yes | Bluetooth: Yes | Frequency band: 2.4 GHz | Connectivity technology: Wireless | Package weight: 310 g | Package width: 44 mm | LED indicators: Charging | LED indicators: Power | Ear coupling: Supraaural | Charging source: USB | Wearing style: Head-band | Headset type: Binaural | Quantity: 1 | Battery recharge time: 3 h | Control unit type: On-ear control unit | Warranty card: Yes | Wireless range: 10 m | Package height: 228 mm | Operating keys: Volume + | Operating keys: Bluetooth pairing | Market segment: Consumer | Recommended usage: Calls/Music | Operating keys: Track | Product type: Headset | Bluetooth profiles: AVRCP | Talk time: 40 h | Battery type: Built-in battery | On/off switch: Yes | Bluetooth profiles: SBC | Bluetooth profiles: AAC | Bluetooth profiles: HFP | USB connector: USB Type-C | Bluetooth profiles: A2DP | Operating keys: Volume - | Control type: Buttons | Cables included: USB | Driver unit: 3 cm | Battery technology: Lithium-Ion (Li-Ion) | Bluetooth version: 5.2 | Harmonized System (HS) code: 8517620000 | Bluetooth profiles: HSP | Operating keys: Play/Pause | Operating keys: Track | Charging stand: No | Continuous audio playback time: 50 h | Battery charge indicator: Yes | USB Type-C required charging power (max): 2.5 W | Fast charging time: 10 min | Battery operated: Yes | Fast charging: Yes | Microphone type: Built-in | Works with the Google Assistant: Yes | HD voice: Yes | USB Type-C required charging power (min): 2 W | USB Power Delivery (USB PD): No | Warnings: Keep away from children. | USB Type-C charging port: Yes | Warnings: Regularly check the condition of the batteries to prevent leaks. | Battery life: 3000 min | Warnings: Do not use near sources of heat or flame. | Acoustic system: Closed | Works with Apple Siri: Yes