What color is the Maxell Tune Out SPL-GRY Earset?

The Maxell Tune Out SPL-GRY Earset is gray.

What type of wireless technology does the Maxell Tune Out SPL-GRY Earset use?

The Maxell Tune Out SPL-GRY Earset uses Bluetooth wireless technology.

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Maxell Tune Out SPL-GRY Earset - Stereo - True Wireless - Bluetooth - 32.8 ft - Earbud - Binaural - In-ear - Noise Cancelling Microphone - Gray