3.28 x 2.26 x 1.28 inches

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Bluetooth 5.3 Technology and Superior Stereo Sound: Features with the advanced Bluetooth 5.3 technology, i27 Wirless earbud support HID HFP A2DP AVRCP, which provides instant pairing and stable transmission without interruptions. The range is up to 15 meters away. Bluetooth headphones with bio-carbon fiber composite diaphragm and polymer TPU of 11mm large dynamic unit, powerful low frequency, delicate and unique mid-high frequency, to create a beautiful sound quality.
IP7 Super Waterproof and Designed for Sports: The sports wireless earbud adopts a waterproof and breathable membrane to achieve an IP7-level structured waterproof design, which can be used even if it is immersed in a water depth of 1 meter for 30 minutes. And the internal nano-coating to airborne moisture from damaging the components. Our running headphones use an ergonomic and flexible ear-hook design, so that your earbud will not fall during strenuous exercise such as running or cycling.