BT-190 Features: - Bluetooth 4.0 version, low power consumption, stable transmission, high quality sound - 100 pcs colour LED display for variety of content - With Android / iOS app, you can customize a variety of graphic or animation - Ultimate bass effect, enjoy the music and movie - Large capacity 2200mAh battery, providing more than 5hrs of battery life - Support wired connection, USB flash drive & TF card modes Specifications: - RMS power: 5W - Speaker impedance: 4? - Frequency response: 20~20 kHz - Signal/Noise ratio: ? 85dB - Battery Specifications: 2200mAh Li-battery - Working voltage & current: 3.7V / 20~500mA - Charger adapter output (not included): DC 5V - Battery working time: 5hrs for continuous music playing - Nominal charging time: 3.5hrs - Input voltage: 5V - Input current: 1A - Compatible with most of your Android v4.2 or higher & iOS v7.0 or higher smartphones - Colour: Black - Product code: HM-BT-190 - NB: AC adapter not included. What's in the box 1 x Black portable colourful LED BT speaker, 1 x USB charging cable, 1 x User manual