This is a beautifully designed, portable Bluetooth stereo mini speaker. High performance explosion-proof sound amplifier chip, Ultra-low power consumption, super low frequency dynamics, bass-rich, flexible, achieve a more shocking extremely overweight bass effect. Can be inserted TF card to play music, audio input interface can be directly connected with a PC laptop, MP3/MP4, mobile phones and other product connections. Super Bluetooth receiver functions, it is the best companion for Bluetooth mobile phones and other Bluetooth enabled products. Memory function, memory playback, Built in lithium battery, environmentally friendly and practical. Using high fidelity speakers, make the sound more natural and delicate. Audio input interface: standard 3.5mm Headphone jack, can be used for computer speakers, mobile audio and so on. Built in microphone, can be achieved mobile voice speaker phone. Support MP3 music format decode.