B90 Sports Bluetooth Speaker Hands-Free Call TF Card with FM Radio Watch Speaker

Description You could listen to the music in your phone after you connect it with this watch, or you could put a micro SD card into it, and get rid of cell phone. Very light and portable when sporting. Have FM radio function. You could enjoy real time information anywhere you want. Wear this watch when driving, and easily enjoy the hand-free calls. In addition, this could be used as a self-timer, use remote control to take a photo. Features - Color: Silver. - Material: Metal. - Size: 6.6 x 4.5 x 2.7cm / 2.6 x 1.8 x 1inch(L x W x H). - Bluetooth audio transmission and handsfree calling - Prompt tone for any work status - Self-timer Anti-Lost Alarm - Alarm clock function - Stopwatch function - Selfie-timer camera function - Charging time: 2 hours - Play time: 4-6 hours - Output power: 3W THD=10% - Sensitivity ratio: 360mv - SNR: 80db - Input power supply: DC5v/500mA - Frequency: 120HZ-20KHZ - Bluetooth version: bluetooth 3.0 +EDR - Portable Speaker with