Soondar Stylish Watch Design Ultra Portable Super Bass Outdoor Bluetooth Speaker Clear and Crisp Audio Sound Wrist Bracelete With Buil-in Microphone Hands Free Speaker Phone Support Micro-SD Card Music Play, FM Let the music to accompany you anywhere Support Micro SD Card, Compatible with MP3 format Easily to switch music playing mode to phone calls mode Suitable for running, cycling, dancing, and other light exercise Bluetooth wireless technology. Built-in microphone supports hands-free calling