High Quality Bluetooth Portable Loudspeaker

Features: High fidelity Hi-Fi sound quality. By integrated sound cavity resonance, it brings you wonderful music feast. 360°resounding stereo sound fully submerge you in beautiful music world.  Compatible with smart phone, computer, tablet, for windows, for Android, for iPhone, and all kinds of music player. Comes with 3.5mm input interface, you can use it with audio cable when you turn off the Bluetooth, bringing you much convenience. Built-in broadband noise reduction microphone can quickly read and deliver HD voice, which makes it possible for you to make call hands free.   Descriptions: Wireless Bluetooth connection, convenient to use. Built-in 2000mah large capacity lithium battery with fast and safe charge function, long lasting standby time. Support Micro SD, U disk, WAV, etc..   Specification: Model: F4 Connection mode: Bluetooth connection Interface type: USB Output power: 3W Charging voltage: 5v/500ma Battery capacity: 2000mA Charging time: 4-6 hours Playing time: 8-10 hours. Range of frequency response: 80Hz-18KHz The signal-to-noise ratio: ≥ 75dB Color: black, gold Power supply: built-in lithium battery Extended Storage: 32GB Play format: WAV, MP3 Shell material: ABS Supported formats: U disk, TF card Size of the speaker: 40mm*2 Size：180*58*60mm   Package includes: 1x Speaker, 1x Manual 1x Charging cable, 1x Audio cable