Soundance Wireless FM Radio Bluetooth Speaker Alarm Clock: Portable Radio Speaker with Digital LED USB Rechargeable for Office Desk Home Bedroom Bedside Desktop Computer, SDY019 Black STABLE CONNECTION: New wireless bluetooth 3.0 Technology allows you to connect wirelessly up to 35 feet away. Easy to pair - No code/pin needed. CLEAR SOUND: Premium sound with bass enhance technology. Two powerful 40mm speakers and enhanced bass resonator deliver crisp clean sound with deep bass. MULTI FUNCTION: FM radio speaker with LED display and alarm clock function. Support Micro SD Card and TF card. Plug and play. 3.5mm audio line in and USB input acceptable. Support MP3, WAV, WMA, FLAC format audio files. 8 HOURS PLAYTIME: Built-in rechargeable battery for up to 8 hours of playtime. Built-in microphone for hands-free speaker phone calling. Support iphone, ipod, Samsung and most smartphones as wireless speakers. SATISFYING WARRANTY - Comes with 30 days no-questions-asked return policy, 1-year manufacturer's warranty and our lifetime friendly customer service. The oblique trapezoidal structure increased the sense of geometric design which makes the radio speaker stands more stable. And the cool solid shape will be a nice decoration on your desktop. The shell of the Bluetooth radio is made of superior &amp; durable ABS material which makes the radio signal more stable than metal shell does, because the ABS shell will never interference the radio frequency like a metal one. Buttons design on the top is really sleek &amp; neat and they are comfortable to touch by your elegant fingers. The LED screen is really clear and easy to wipe clean. Shows time in 12-hour format, also display alarm clock, FM radio and Bluetooth status and battery level. Digital display helps you fine tune the FM frequency, making the sounds clearer with best reception. The radio speaker is compatible with Alexa, iPhone, Android smartphone, computer, laptop, tablet via Bluetooth connection. Built-in microphone supports hands-free speaker phone calling through Bluetooth. 3.5mm audio line in is also acceptable, so your mp3 is a companion for the speaker radio. The radio speaker supports plug and play of MP3, WAV, WMA, FLAC format audio files from TF/MicroSD card. Support station auto searching from 87.5-108MHZ. Support FM stations storing and deleting Digital display on the LED screen helps you fine tune the FM frequency. You can set the FM radio broadcasting station you like as alarm ring. Two powerful 45mm speakers and enhanced bass resonators are built in the speaker with deep bass. Bluetooth 3.0 allows you to connect wirelessly up to 35 feet away. Nice LED screen displays digital time without ticking sound. One alarm can be set. FM station &amp; music in your USB/TF/MicroSD can be set as alarm ring.