Raspberry Pi 4 Model B Micro Controller Board for IOT Electronic Hobby Kit RAM Capacity:1GB Ram [49dB Active Noise Cancellation]: -

[49dB Active Noise Cancellation]: - With up to 49dB Active Noise Cancellation one can maximize the audio enjoyment of music

Enjoy multi-tasking with upgraded Exynos 1580

【Superior battery power】 - Enjoy uninterrupted power with Visionary Ultra's superior battery that delivers up to 2 days of power backup with Bluetooth calling

this waterproof dive case is rated to the most common diving depths up to 50 meters (164 feet)

2 Form Factor ‎Over_ear Includes Rechargeable Battery ‎Yes Manufacturer ‎Harman International Industries

Raspberry Pi 4 Model B Micro Controller Board for IOT Electronic Hobby Kit RAM Capacity:1GB Ram [49dB Active Noise Cancellation]: -Features The Raspberry Pi 4 with 4GB Ram features dual display micro HDMI ports which supports H 265 decode for 4K video at 60p It is integrated with quad Core 64 bit broadcom 2711 and cortex A72 processor LAN RJ45 10 100 1000 Mbit (Gigabit LAN over USB 3. 0) The Raspberry Pi 4 has an operating power of 5V at 3A via USB type C port The Raspberry Pi 4 Model B delivers a major performance upgrade compared to earlier models like the Raspberry Pi 3 Model