Bluetooth 3,0+ESR international standard, you can adjust the volume directly through the stereo 10 meters high-fidelity transmission with nondes tructive, super portable, shock sound Specially designed for smart phones and tablet PC _ _ Speakerphone Function _ Supports speakerphone, Built-in microphone to bring clear calls for you, it's very perfect either with single or multiplayer for phone calls or video chat _ _ Pure music,perfect to enjoy _ High-fidelity sound,Stereo speakers, built-in re sonance radiator device, equipped with high-eff iciency power amplifier, super-low-frequency dy namic, bass-rich, flexible, achieve a more shock ing extremely overweight bass effect _ _ Lasting power,long battery life _ Two power modes,built-in lithium secondary _ _ Medium volume with 8 hours of playback capabi lity,suitable for any occasion _ Simple and easy to operatekey design _ _ Through 10000to touch test, wearnon-slip,res istance to high temperature,long service life _ _ Precautions under FM radio mode _ _ Connecting with AUX cable to search the radio _ _ NFC function description Under Bluetooth mode, find NFC function in your mobile and open it,louch the position where printed "NFC", then the mobile will show "Whether to pair the Bluetooth device". Click "Yes" to confirm _ _ Notification on

alarm__ If setling the alarm did not finish and press M to confirm, then set the alarm is Invalid High-fidelity sound,Stereo speakers, built-in resonance radiator device, equipped with high-efficiency power amplifier, super-low-frequency dynamic, bass-rich, flexible, achieve a more shocking extremely overweight bass effect. Lasting power,long battery life Two power modes,built-in lithium secondary Medium volume with 8 hours of playback capability,suitable for any occasion Simple and easy to operate key design Through 10000 to touch test, wear non-slip,resistance to high temperature,long service life Precautions under FM radio mode Connecting with AUX cable to search the radio NFC function description Under Bluetooth mode, find NFC function in your mobile and open it,louch the position where printed "NFC", then the mobile will show "Whether to pair the Bluetooth device". Click "Yes" to confirm Notification on setting alarm If setting the alarm did not finish and press M to confirm, then set the alarm is Invalid