Plug & Play. Built-in dual speakers awesome sound quality and enhanced bass. Feature - Built-in Micro SD card (TF) slot - Portable and compact size - Rechargeable litium battery - Enjoy heavy bass and 3D surrounding sound Local Packaging: White Box Overseas Packaging: OEM Box Weight: 224g Material: ABS & Fabric Dimension: 9.2 x 9.2 x 4.6cm Color(s): Black, Blue, Red Carton Packing: 56.50 cm x 26.00 cm x 21.50 cm Qty Per Carton: 50 Carton Weight: 11.60 kg