brand new and high quality Feature: . Using dual-core high-efficiency speakers, optimizing the diaphragm, magnet coil and other components, the is powerful, the midrange is sweet, the treble is loud and penetrating. Bluetooth-compatible wireless transmission technology, high efficiency and stable data transmission, strong anti-interference performance, can be used indoors and outdoors. Built-in noise reduction microphone, clear sound quality, one-key answer, let the call zero distance. Specification: Product Type: for Creative Mini Bluetooth-compatible Player Product model: BTS0019A Rated power: 3W Frequency response: 120Hz-16KHz THD1% :S/N75DB2 Input specifications: 5V/500mAh Battery specification: 3.7V/800mAh Charging time: 3 hours Music playback: 5-8 hours Music format: MP3 Material: Plastic Product size: (app.) 76x76x91mm/2.99x2.99x3.58inch Color: Blue Quantity: 1 Pc Notes: Transition: 1 for cm = 10 mm = 0.39 inches Due to manual measurement, please allow an error of 0-1 for cm. Make sure you don'for t mind bidding. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Only MP3 player recorder, pictures do not include other presentation attachments! Thank you! The package includes: 1 X for Creative Mini Bluetooth-compatible Player 1 X USB Charging Cable 1 X Manual