Caution: color: we ship according to the color of the first picture, in the package: If the quantity is not stated in the description, we will ship the item according to the quantity and model in the title.If the title does not have a quantity, it is 1pcs. 4Gb bluetooth touch screen mp3 hifi music player the product is shipped based on the color or size of the main image of the product page. Size:4gb bluetooth touch screen oled mp3 player sport lossless sound hifi music player product features: 4.2 Wireless bt mp3 player: wireless connection solution, support for connecting wireless bt headsets, speakers. In the case of barrier-free, you can enjoy a pleasant wireless music playback experience within 10 meters. Multifunction mp3 player with fmradio/recorder/video player/text reading. High sensitive touch screen & lock screen key: the 1.8 Inch big oled screen and highly sensitive touch button that makes the whole mini mp3 player crystal clear and makes you operate the button more smoothly. It's convenient to lock the screen bypressing the power button. Erroneous operation can be avoided with a lock button when you put this music player in your pocket. Perfect for your entertainment and learning, outdoor and gym fitness. Hifi sound & fm radio: the mature hifi technology brings you the lossless music. Try fm radio function, you can listen to news/story/music, and it will give you more choice. Voice recorder-one key to record: the one button recording technology can help you to record fast by one step, when you need to record important information in class or meeting. The high sensitive touch screen button, present music immediately with alightly touch. Built-in 4/8/16/32gb internal memory, the player offers plenty of room for your songs and books. Support multi-format music play and lyrics sync. Support time and date setting. Support mobile otg upload and download. Compatible with otg-enabled android phone connect. Product specification: type:mp3 player wireless:bt 4.2 Body material:cnc metal, double curved glass screen display:1.8-Inch oled display size: about 8.5*4*0.7Cm/3.35*1.57*0.28In battery:800mah charging time:half an hour play time:48 hours recording format:wav built-in memory:4gb/8gb/16gb/32gb fm radio:76mhz-90mhz/87mhz-108mhz headphone output: l 10mw + r 10mw 320hm video format:avi/amv music format:mp3, wma, wmv, asf, wav, amv, ape, flac operating temperature:-5 °c -40 °c package includes: 1 x oled touch screen mp3 player 1 x manual 1 x earphone 1 x usb cable