Small body quality sound. Auto Switch swaps playback between LinkBuds devices. One touch listening with the Quick Access button. X-Balanced Speaker. IPX4 splash resistant. 5-band equalizer and CLEAR BASS setting. Top-mounted mic avoids interference to ensure crystal-clear pickup. Echo-cancellation. Pair up to two Bluetooth devices with multipoint connection. Up to 25-hour battery life with quick charge. Dimensions: 3.31"W x 4.33"H x 3.54"D. Included: Charging cradle. Carrying strap. USB Type-C Cable.