FM RADIOHI-MINI SPEAKEROperating Manual Thanks for purchasing the pocket FM Radio speaker of our company!We reserve the final right to interpret the Operating Manuals.It is subject to change without prior notice. Please backop the important data, we are not responsible for any data loss.Please read this manual carefully before using the product.And use only original parts ptovided so as to avoid unexpected damage. Product Introduction Welcome to use pocket FM radio speaker,the main usage of which is to play music,support MP3 player,computer and other music devices.By audio cable built-in the unit you can easily connect it to other audio devices,share music with others.You can use it while walking, cycling,or traveling,its perfect functionality make your life and work become rich and colorful! Circuit using professional high-performance FM radio chip and high-fidelty audio power amplifer based AB. User-friendly keypad interface,simple ,easy to operate. Interlliegent Power Management Circuit .to ensure that product more stable and more secure and work persistently. Specification Description By 3.5 pin input audio playback. Support stereo earphones. Common mini-USBcharging port. Built-in lithium battery:3.7V[250MA],needed charge time:3hours. Built-in high fidelity speakers,maximum power output:2.5W Use high fidelity stereo earphone,sustainable period:7 hours atleast. Mediant outside sound speakers can be continually play:4-6hours at least.