Hands-free phone features: support for hands-free public telephone functions, built-in microphone, giving you a clear call. MP3 player: Support TF card lossless playback, support for lossless format playback Wireless Bluetooth: Bluetooth 3.0 international standard, automatic pairing, you can adjust the volume directly through the stereo, 10m lossless high-fidelity transmission, enjoy the wonderful music. Appearance: classic cylinder design, plus powerful suction base, contribute to the preservation of sound with this speaker listening East, a kind of soothing feeling! Accessories: Micro charging cable, A manual Box Packaging: 62MM * 62MM * 75MM (11g)