Hi,my dear angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Large Screen Clock Bluetooth Speaker Double Alarm Clock With RGB LED Changing Aperture Double 5W Booming Sound 4 PlayMode FM Support-Card Features: Large Screen Clock - Equipped with alarm clock mode, it is sound, clock and alarm clock. Outdoor/indoor sound: Booming sound is delivered by two 5W tweeters. Incredible sound loved by MOST people. Lightweight and ultra-portable: Take your tunes everywhere with the detachable strap. 8-Hour Play-time: Outdoor speaker is equipped with 1200mAh battery capacity with 8-hour Play-time to save you the trouble of frequent charging and make listening more ENJO-YABLE. 4 playing mode - AUX mode/-card mode/FM radio mode is not just for Bluetooth connection, but also for enjoying music as you like. Product Description: Product model: S7 Output power: 3W THD=10% Frequency response: 80Hz-20KHz Signal to noise ratio: ≥ 85dB Distortion: