4. Prevent this device from falling, friction, or crashing against hard objects during use, otherwise surface scratch, battery disconnection, data loss or other hardware damages will be caused. Please also avoid violent vibration or impact.Dear CustomerProduct IntroductionSecurity InstructionsThank you for purchasing the M3s portable music player. We'd like to express our sincere gratitude to you. You are recommended to read the user manual carefully before operating the device. Please keep this user manual for future reference.1. Don't repair or modify the device without permission. None of the parts in this device could be checked or repaired by the user. Only professionals are entitled to check or repair this device. If the user dismantles it and modify its internal circuit personally, it will make it difficult for our maintenance worker to repair, and may possibly impacts its performance and quality.2. Please don't use this device in extremely hot, cold, dusty or humid circumstances.3. This device might get warm during charging.5. Please enjoy the music in a proper volume to avoid impairing your hearing and damaging the sound system. Before plugging your earphone into the device, please turn down the volume first. 6. Don't clean this device with chemicals or detergents, otherwise its surface and top coating may be damaged.7. Don't disconnect this device during formatting or transfering files. otherwise, a program error may occur.8. The USB port is only for data transmission or charging. Please try to avoid using this device when it is charging.9. When this device is not in use, please charge it regularly to guarantee battery life.10. Please replace the battery with ones in the same type as the original ones, as improper replacement will bring the risk of explosion.11. Never expose battery to sunlight, fire or other extremely hot circumstances.12. Please download update file from our official site , and update according to the instruction.www.shanling.comThis device is a portable high resolution music player, which supports music formats of MP2, MP3, WAV, WMA, APE, FLAC, AAC, ALAC, AIFF, OGG, ISO, DSF, DIFF, etc., with the highest sampling rate of 384kHz/32bit, and bluetooth 4.1 with APT-X protocol as well.
