Features: Large LCD backlight display for optimal viewing comfort, can also function as a mirror. Multi-function button for various controls. Equipped with a MIC port for enjoyable gatherings with friends. Hi-Fi stereo sound quality delivering music in multiple modes, Bluetooth sound processing, high-performance built-in microphone featuring echo cancellation and noise suppression technology for clear conversations and delightful music. Built-in Bluetooth 4.2 wireless transmission, compatible with any Bluetooth-enabled smartphone or device. Supports playback of MP3 songs stored on a TF card. Includes: Bluetooth, Hands-free Calls, Loudspeaker, Time Clock, Alarm Clock, Microphone, Volume Control, and automatic FM channel search. Functions: AUX Function, Noise Cancelling, Resonance, Song Track, Stereo. Specification: Color: Black, Green, Red, Gray Interface: 3.5mm Audio, Micro USB, Microphone, Power Charge Port, TF Card Slot, MIC Port. Material: Plastic. Bluetooth Version: 4.2. Charging Voltage: 4.8-5.2V DC. Working Voltage: 3.7-4.2V DC. Working Current: 300mA. Quiescent Current: >1µA. Battery Capacity: 1200mAh. Receive Range: within 10 meters. Max Power Output: 5W. Speaker Impedance: 4 ohm. MIC Sensitivity: -32dB. Receive Sensitivity: Better than +82dBm. Data Transmission: Up to 3Mbps. UART Data Transmission Rate: 115200bps. Frequency: 2.402-2.480Ghz. Size: Approx. 71x61x71mm/ 2.80x2.44x2.80". Package Included: 1 x Bluetooth Speaker 1 x USB Cable 1 x Audio Cable 1 x English Manual