High Sound Quality: This product adopts 3W, 4ohm speakers with SNR 90dB to maintain high sound quality and clear bass. Four times the volume increase lets you enjoy music and audio at the same time. Compact mini design: The mini wireless speaker measures only 46 x 46 x 33mm , which is half the size of a credit card. It can be taken anywhere. Plug and Play: Built-in buttons and a 3.5mm auxiliary jack are designed for easy music playback on smartphones, iPads and computers. No need to worry about lost Bluetooth connection anymore. Energy saving and durable: Built-in 350mAh lithium battery, playing games does not consume mobile phone power and has long battery life. Once the battery is depleted, it can be fully charged via the micro USB port in just 45 minutes. Perfect compatibility: it works with any multimedia device with a 3.5mm jack, such as that: B. Mobile phones, tablets, MP3s, CD players, laptops. Just turn on the device and plug it directly to play music or audio video. About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and well make you feel satisfied.