OnePlus Buds 4 Green

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