Features: Mini and lightweight design,portable and easy to carry. It can connect with phone,computer,tablet,you can enjoy music anywhere. Built-in high-performance lithium battery, long-lasting battery life, unobstructed listening. Modern and Portable Appearance Design: Durable lightweight silicone plastic shell, perfect home and office decoration. Perfect for home parties, Picnic, travel.   Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description:Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Battery capacity: 400mAh Frequency response range: 60Hz-15KHz Output power: 3W Signal to noise ratio: ≥75dB Power supply mode: built-in lithium battery Play time: 1-2H Expansion storage: 32GB Bluetooth protocol: 4.0 Number of speakers: 1 Effective distance: 10 meters Function: card, waterproof, radio, computer, dustproof, drop-proof, voice prompt, call function Operation mode: button Play format: MP3 Shell material: plastic Support format: TF card Speaker adjustment method: button Is there a radio function: Yes Cabinet material: silicone Size: 74x43mm  Package List: 1X Speaker