Sound Bar -NBY-18 Mini Bluetooth Speaker Portable Wireless Stereo Sound System Blue Highlights generic brand NBY-18 Mini Bluetooth Speaker Portable Wireless Stereo Sound System Blue Description: Mini Bluetooth Speaker without wire, 360 degree stereo sound Simple design, timeless classic, excellent sound quality performance, each side is very good. Can support 4 kinds of mode to play music, bluetooth, TF, U disk mode, 3.5mm audio line mode Large capacity battery, power saving optimization, 1200mAh battery capacity , can continue to play 3.5 hours Built-in HD noise-canceling microphone, through the speaker can be answered, suspend function. specification: Type: wireless bluetooth speaker Model: NBY-18 bluetooth version: V3.0+EDR bluetooth transmission distance: 10 meters frequency response range: 85hz~20KHz sigani/noise ratio: 84 dB or more sensitivity : 80db + 2db Size: about 190 x 60 x 65mm / 7.5 x 2.4 x 2.6in Package includes: 1 * wireless bluetooth speaker 1 * charging cable 1 * audio cable 1 * manual User's Note: 1.Please allow 1-3cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. please understand, thank you