Krome Canada Ergonomic Design Wireless Bluetooth Speaker Features: Wireless USB Port TF Card Walk & Talk Function Rechargeable Battery Crystal Clear Sound Specifications: Bluetooth Version: V4.0 Bluetooth Range: 10m Battery: 3.7V 1800mAh, Rechargeable li-ion Charging Time: 2-3 Hours Play Time: 3-4 Hours Max. Size for SD Card or Flash USB input: 32GB What's in the box 1 x Speaker 1 x Charging Cable