OnePlus Buds 4 Green

Battery technology: Lithium-Ion (Li-Ion) | Depth: 20.6 mm | Connectivity technology: Wireless | Bluetooth profiles: A2DP, AVRCP, HFP | Product colour: Green | AC adapter included: No | International Protection (IP) code: IP55 | Quick start guide: Yes | Bluetooth: Yes | Width: 31 mm | Bluetooth version: 5.4 | Battery type: Built-in battery | Warnings: Keep away from children. | Warnings: Do not use near sources of heat or flame. | Recommended usage: Calls/Music | Warnings: Regularly check the condition of the batteries to prevent leaks. | Weight: 4.7 g | USB Type-C charging port: Yes | Battery recharge time: 0.83 h | Product type: Headset | Battery capacity: 62 mAh | Height: 24.2 mm | Cables included: USB Type-C | Warranty card: Yes | Maximum input power: 10 mW | Headset type: Binaural | Noise canceling: Yes | Intraaural headphones type: Earbuds | Battery capacity (charging case): 530 mAh | Ear coupling: Intraaural | Noise canceling type: Active | Continuous audio playback time (charging case/ANC on): 24 h | Charging case: Yes | Microphone sensitivity: -38 dB | Headphone frequency: 15 - 40000 Hz | Microphone type: Built-in | Battery operated: Yes | Continuous audio playback time (charging case/ANC off): 45 h | Wearing style: In-ear | Charging case connector type: USB Type-C | Eartips material: Silicone | Continuous audio playback time (ANC off): 11 h | USB Power Delivery (USB PD): Yes | Charging case weight: 40 g | Continuous audio playback time (ANC on): 6 h | Battery recharge time (charging case): 1.3 h