SONY WH-ULT900NW white headphones

Power Required charging power (max): 2.5 W USB Type-C charging port: Yes Required charging power (min): 2 W USB Power: No Weight and dimensions Product weight: 255 g Efficiency Works with Amazon Alexa: Yes Works with Google Assistant: Yes Product color: White Control Type: Touch Headset type: Monaural Cable length: 1.2 m Detachable cable: Yes Product type: Headset LED diodes Power supply Landing Wearing style: Headband Application: Calls/Music HD Voice: Yes Apple Siri compatibility: Yes Packaging data Package depth: 201.5 mm Weight with packaging: 441 g Package height: 254 mm Package width: 70 mm Package contents Cables: USB Charging stand: No Quick Start Guide: Yes AC adapter: No Warranty card: Yes Ports and interfaces 3.5mm connector: Yes Bluetooth profiles HFP LDAC AVRCP A2DP SBC AAC HSP Frequency band: 2.4 GHz Connectivity: Wired and wireless Bluetooth: Yes Contact coating material: Gold USB connection: Yes Wireless router range: 10 m Bluetooth version: 5.2 Frequency response (music mode): 5 - 20000 Hz Battery Charging source: USB Charging time: 3.5 hours Battery powered: Yes Battery capacity: 520 mAh Fast charging: Yes Battery type: Lithium-ion (Li-Ion) Fast charging time: 10 min Battery voltage: 3.85 V Supported battery type: Built-in Continuous audio playback time (with ANC): 30 h Talk time (ANC off): 40 h Talk time (ANC on): 30 h Continuous audio playback time (without ANC): 50 h Other functions Voice prompt languages: English Microphone Microphone type: Built-in microphone Headphones Acoustic system: Closed Headphone construction: Circumaural Driver Type: Dynamic Impedance: 314 Ω Frequency response: 5 - 20000 Hz Headphone sensitivity: 110 dB Speaker diameter: 4 cm Magnet type: Neodymium Noise Cancellation: Yes