Wireless 3W light-up logo Bluetooth? speaker with antibacterial treatment. 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 and conference call function. Capacity: 500 mAh – 3.7 V battery. Frequency: 50 Hz – 20 KHz. Sound output: 1 x 3 W. Impedance: 4 ?. Bluetooth? 4.2. Net weight: 100 grams. Size: ? 50 mm x 45 mm. Delivered with a gift box with magnetic closure, made out of recycled paper. ABS Plastic, Rubber, Metal.