Mini Portable LED Colorful Bluetooth Speaker Night Light -heart rate monitor:

-heart rate monitor:

- TFT Panel and standard definition resolution

Operating voltage: 4

High-sensitivity and high signal-to-noise ratio of the microphones provide clearer audio in noisy environments

3 mode light effect: standard

Mini Portable LED Colorful Bluetooth Speaker Night Light -heart rate monitor:Features: * Hold power button to turn on turn off, press the volume key to switch music, hold volume key to change volume * Speaker has a built in microphone so you can take calls on the speaker * With micro SD TF card slot, you can play mp3 mp4 format files in the TF card , Support A2DP, AVRCP, heads * Connect your all kind of Bluetooth enabled devices to play any song through this speaker. This speaker has power to work as a remote to change songs