OnePlus Buds 4 Green

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