Overview: This product is a BT APP control rechargeable LED party glasses, suitable for gatherings, dances, concerts, nightclubs, birthday parties, and other occasions. You can download APP on your mobile to control the glasses pattern, and the text pattern can be changed by DIY. Supports English, German, Franch, Spanish, Portuguese, Russian, Korean, Dutch text editing. Let you be the brightest star on the stage, lighting up your party. Features: Quick & Easy Operation: Through the Shining Glasses APP, you can connect your glasses to your smartphone via BT. Easily achieve text editing, text effect setting, animation & picture setting, and DIY image. Wide Applications: This colorful luminous glasses is perfect for Rave Festivals, Bars, Clubs, LED Parties, Halloween, Costume Parties, Carnivals, Gifts and more. Stand out from the crowd, making you a star at the party. Music Rhythm: Automatically scan the local music and play it. You can choose different rhythm effects. In Rhythm mode, you can recognize other external sounds to control the lighting effect of glasses. USB Rechargeable & Long Battery Time: Built-in 700mAh battery enables 5 hours of working time. Fully charging takes 3 hours. It can be recharged via the included USB charging cable. Safe to Use: Adopt 432 RGB lamp beads with high power, high brightness, and long life, no UV or radiation, no impact on your vision. Specifications: Product Model: SL-009 Battery Capacity: 902040 Polymer Battery, 700mAh Case Material: ABS, Plastic Input Voltage/Current: 5V/1A Charging Type: USB interface charging Charging Time: 3 hours Use Time: 5 hours Music Format: MP3, WMA Color: Black Item Size (Folded): approx. 17.5*8.0*5.3cm/6.88*3.15*2.08in Item Weight: 99g/3.49oz Package Size: 21.1*11.7*6.4cm/8.30*4.60*2.52in Package Weight: 323g/11.39oz Package List: 1 * LED Party Glasses 1 * USB Cable 1 * Carrying Bag 1 * User Manual (English/Chinese)