0.79 x 0.79 x 0.39 inches

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Hi-Fi Stereo Sound and CVC8.0 Noise Reduction: wireless earbuds adopt the most advanced bluetooth 5.1 technology, 2x faster transmission speed than the old Bluetooth V4.2 wireless earbuds, getting more stable connectivity without signal loss or music dropouts. Built in CVC8.0 noise reduction design and high quality microphone, which can let you enjoy high fidelity music quality and clear calls sound anytime anywhere.
Fast Automatic Pairing Technology: You don’t need any skills to use I07 Bluetooth 5.1 Wireless Headphones. Just take the left and right earbuds out of the charging case and they will pair with each other automatically, you can use both bluetooth earbuds at the same time, or use only one, and once connected, they can be automatically recognized next time. They will automatically turn off and charge when put back into the charging case.