Product Name: Outdoor Portable Mobile Speaker Model NO.: KBA-2150B Display Type: Without Display Chargeable: Chargeable Special Function: Portable Usage: Portable Player, Mobile Phone, Computer, Radio, Karaoke Speaker Material: Wood Type: Outdoor Portable Mobile Speaker Trademark: ACIN Transport Package: Carton Specification: 215*243*180mm(without foot) Origin: China HS Code: 85182200 Product Description Product DescriptionUSB/TF inputMic inputBluetooth connectionFM reieverBuilt-in 3.7V 2000mA battery support 2 hours working timeMusic volume control and independent volume/echo control for MicProduct SpecificationDriver................................................................................6.5" Full RangeOutput Power.....................................................................8WTHD(at rated conditions).....................................................2%Input Sensitivity..................................................................400mV (AUX) ................................................................15mV (MIC)Impedance.........................................................................4ΩFrequency Response..........................................................80~20KHzDC input Voltage................................................................5V 2ADimension.........................................................................215*243*180mm(without foot)