★ 【Bluetooth 4.0 installed】 Bluetooth Ver. 4.0 or less It is possible to connect with Bluetooth equipment (Bluetooth earphone, headphones and speakers etc). Everyday / outdoor movement / in the case such as vehicle installation is very active. <br> • ★ 【Multifunction】 There are abundant functions such as Bluetooth, music, FM radio, recording, walking statistics, e-book, video, screen saver, AB section repeat, random play, play while charging and play speed change. Music appreciation, language study, emergency recording, sports It is useful for various purposes. Anti-perspiration armband is also included, and is excellent for exercise such as walking / running. <br> • ★ 【Fashionable Design &amp; Easy Operation】 Due to the design of the alloy, various displays and glowing touch buttons, a lot of luxury is overflowing. With the lock button, erroneous operation can be avoided, recording starts immediately with one touch in case of emergency with the recording button on the side. Even beginners are easy to understand, easy to operate MP3 player. <br> • ★ 【Noise Cancellation Technique &amp; HIFI Ultra High Sound Quality】 It adopts digital noise reduction chip, effectively reduces noise, guarantees a high level of sound sampling rate, and can enjoy HIFI super high sound quality. Audio compression format: MP3, WMA, APE, WAV, FLAC, etc. <br> • ★ [Built-in 8 GB, micro SD card up to 128 GB compatible] Memory expansion up to 136 GB is possible by using a 128 GB microSD card. You can carry around 36,000 songs of sound. <br> (Also supports 64GB / 32GB / 16GB / 8GB / 4GB) Recommended AGPTEK microSD memory card. 【USB Charging】 USB Charging: About 1.5 hours. Regeneration duration: about 45 hours.