Brand - F&D, Model - F&D W7, Type - Bluetooth Speaker, Channel - 1:0, Connectivity - Bluetooth, USB, RMS/Channel (Watt) - 3W, Output Power - 3W, Signal to Noise Ratio (dB) - 75dB, Frequency (Hz - KHz) - 20Hz - 20KHz, Memory Card Slot - Yes (microSD), USB Port - Micro USB vs USB cable, Bluetooth Version - Bluetooth 4.0, Input Interface - 3.5mm jack, Lighting Effect - Yes, Waterproof - Yes, Driver Unit - 2.5 inch full range Neodymium Driver, Battery - 400mAh/3.7V, Rechargable Battery - Yes, Charging Time - 2 Hours, Playing Time - Up to 10 Hours, Power Supply - 5V / 500mA, Body Materials - Metal, Dimensions (WxHxD) - 86 x 117 x 86mm, Feature - 2.25 Inch full range Neodymium driver, Attractive lighting blue ring, 3.5mm jack for audio input, Others - Separation >-40dB, Power Input: 5V - 500mA, 2.25 Inch full range driver, Passive radiator, Bluetooth V4.0, TF card Support, Specialty - Top passive radiator for springy bass, 360 degree sound field, Directly accessible TF card slot, Warranty - 1 year