Popular Bluetooth Speaker With MP3 and Support TF Card

Specifications Popular Bluetooth Speaker with MP3 and Support TF Card 1.Excellent soud 2.Bluetooth handsfree function 3.CE Popular Bluetooth Speaker with MP3 and Support TF Card       1.Excellent soud2.Bluetooth handsfree function3.With AUX-IN function4.CE, ROHS  Features1. High Glossy Surface 2. Easy access volume control3. Excellent Sound Performance4. Plug and Play / No Driver Installation Required5. Magnetically Shielded to prevent distortion from screens6. Compatible with all Brand Name and Model PCs and Laptops  Details of Speaker   Frequency:20Hz-20KHzMetallic Design  Output Power:3.0WPortable DesignNoise Ratio:≥90 dbWireless bluetooth audio transmissionCharging Voltage:5VMany classic colors for choiceWorking Voltage:3.7VLINE connectionSpeaker:2 inches, 4Ω Hands-freeTotal Harmonic Distortion(THD):≤0.1% 1KHz/1.8WPortable, hanging portable designSize:74mm*45.5mm Support TF CardBluetooth Distance:5-15M  Functions: a.Compatible with all Bluetooth-enabled mobile phones, iphone, ipad, Tablets, PC/Mac .b.Any device with an AUX-In 3.5 mm interface. c.Calls or answering call hands free.