Mini Wireless Dense Crackle Bluetooth-compatible-Black

I am an Chinese seller,providing customers with high-quality and low-cost products.
The types of products we sell include Home & Kitchen,Health & Beauty,Fashion Clothing,Electronics,Watches & Jewelry,and so on.
We keep up with the most popular fashion trends. If you like our products, please follow us and become our followers and fans.
Sincerely at your service .Thank you for your shopping and have a nice day.Specifications:
Stylish card bluetooth-compatible speakers, not only high-grade, but also durable to use.
Support TF card automatic playback.
Support audio output, can be connected to computers, mobile phones, MP3 and other audio interface.
Small body, big capacity, large volume, high powerful.
Portable mini size design, you can easy to enjoy the music anytime, anywhere.

Type: Mini bluetooth-compatible Speaker
Bluetooth Version: bluetooth-compatible 2.1
Case Material: ABS
Interface Type: USB
Audio Interface: 3.5mm
Voltage: DC 5V
Output Power: 3W
Distortion Rate: 0.5%@ (1KHz)
Frequency: 90Hz - 20KHz
Impedance: 4 ohm
Transmission Range: up to 10m
Battery Capacity: 350mA
Play Time: 2 - 3 Hours
Signal To Noise Ratio: ≥ 80dB
Power Supply: 3.7V 400mA Built in Lithium Battery (Included)
Mode Of Operation: Key
Play Format: WAV, MP3, WMA
Format: Support TF Card
Audio Input: Bluetooth, USB, TF Card, AUX
Features: bluetooth-compatible Audio Input, TF Card, Mini, Portable, LED Light, Crack Pattern Case, USB Interface
Size: 5.5cm x 5.5cm x 6cm/2.17" x 2.17" x 2.36" (Approx.)

Notes:
Due to the light and screen setting difference, the items color may be slightly different from the pictures.
Please allow slight dimension difference due to different manual measurement.

Package Includes:
1 x Mini bluetooth-compatible Speaker
1 x Charging Cable