TW991 PRO(SPACE NC01T) Wireless Headphones (Black) / N/A

Weight and dimensions Product depth: 23.4 mm Product height: 31.4 mm Efficiency Wearing style: In-ear Suitable for children: No Noise reduction level: Up to 45 dB Product color: Black Application: Music Product type: Headphones Ports and interfaces Microphone: Yes Connection method: Wireless Bluetooth: Yes Bluetooth version: 6.0 Battery Right earphone battery capacity: 40 mAh Music playback time: 7 h Left earphone battery capacity: 40 mAh Continuous audio playback time (without ANC): 7 h Battery charging time (charging case): 2 h Battery capacity (charging case): 450 mAh Continuous audio playback time (with charging case): 30 h Continuous audio playback time (with ANC): 5.5 h Supported battery type: Built-in Microphone Microphone type: Built-in microphone Headphones Noise reduction type: Active Noise Cancellation: Yes Speaker diameter: 1.2 cm Noise reduction: Yes