USB Card Portable Bluetooth Small Speaker, Subwoofer Wireless Connection, Portable Pocket Speaker Wavy Lines Helixs Pattern Features: Light weight, shape, small appearance, rope tie, easier to carry Wireless Bluetooth connectivity makes playback easy, so you can play as you want, anytime, anywhere With the latest Bluetooth technology, the connection is faster, farther and constantly connected The built-in battery can be unplugged in, and the large capacity can continue to play without frequent charging Using advanced technology to manufacture audio accessories, just to bring customers a fuller sound and beautiful esprencees Product Description: Product name: Bluetooth Speakers Color: Sky Blue Material: PC Transmission range: 10m Bluetooth protocol: 5.0 Product Size: 2.8"L*2.8"W*1.81"H/7*7*4.6cm Package Size: 4.72"L*3.35"W*2.8"H/12*8.5*7cm Product Weight: 0.3lb/135g Net Weight: 0.44lb/200g The Package Include: Bluetooth speakers * 1 USB charging cable * 1 Instruction manual * 1