2.8 x 2.8 x 0.87 inches

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【HIFI Stereo Sound & Superior Sound】Wireless Headphones adopts HD lossless processing technology, which can provide strong bass, wireless earbuds with microphone ,with Hi-Fi stereo sound good for phone calls, feel fully the natural and realistic listening experience.
【Perfect fit and compatibility】The design of the wireless earbuds sport fits perfectly in your ear so that it does not fall off. Perfect for sports, workouts, running, listening to music and watching TV. Bluetooth headset is compatible with Bluetooth-enabled Android, iOS and Windows devices.