Cordless 3w Bluetooth® Speaker, with Double Sound Output for an Unparalleled Sound Quality for a Speaker This Size. the Ring Speaker Can be Tilted to Direct the Sound in Any Direction. has Built-in Microphone & Conference Call Function. Capacity: 500 Mah - 3.7 V Battery. Frequency: 50 Hz - 20 Khz. Sound Output: 1 x 3 W. Impedance: 4 O. Bluetooth® 4.2. Net Weight: 100 Grams. Size: Ø 50 Mm x 45 Mm. Comes with a Gift Box with Magnetic Closure, Made Out of Recycled Paper. Minimum Quantities Apply.