Features:
- It supports Bluetooth, TF card, USB, FM Radio and Line in.
- LED display, it shows Time, Alarm clock, Line in, FM radio, charging Status, Bluetooth status and so on.
- It is suitable for many kinds of music formats: MP3, WMA, WAV, PE and FLAC. If you want to listen to your music from USB, Micro SD card, cell phone, or laptop, it will help you.
- High sensitivity FM radio with internal antenna, gives you a different listening experience wherever and whenever you want.
- It can be used as a alarm, no worry about forgetting the time.
- It has the function of phone redial and phone number reporting, the Bluetooth device has handset and hands-free function, it is very convenient when you are driving or you want to escape from the radiation.
- Bluetooth wireless connection within 10m, you can use it in the open air or at the party.
- The device is be inserted USB cable, the red LED is bright in the charging automatically. Lithium rechargeable battery is full for charging 5 hours. Brand: MUSKY
Model: DY21L
Design: Car, Stylish, Portable, Classical, Cool, Mini, Multifunctional
Supports: WiFi Connected, Volume Control, Bluetooth, Remote Control, TF Card Music Playing, Microphone, FM, Loudspeaker, Hands-free Calls
Functions: Resonance, Stereo, AUX Function, Telescoping Resonance Chamber
Compatible With: TF/Micro SD Card, MP4, Mobile Phone, MP5, PC, Laptop, MP3
Connection: Wireless
Interface: TF Card Slot, 3.5mm Audio, USB2.0, Micro USB
Audio Source: WiFi Enabled Devices, TF/Micro SD Card, U-disk, Electronic Products with USB port, Bluetooth Enabled Devices
Material: Plastic, Metal
Color: Black, Blue, White Bluetooth Version: V4.0
Audio File Format: WMA, APE, FLAC, MP3, WAV
Transmission Distance: W/O obstacles 10m
Power Output: 4W x 2
Display: LED
Standby Time: 6-8h
Total Power: 8W
Freq: 80Hz-20KHz
S/N: 70dB
Distortion: < 0.55%
FM Radio Frequency: 87.5-108MHz Power Source: Battery, Wall Charger, USB
Working Voltage: 5V 1.5A
Input: DC 5V
Speaker Accommodation: Button
Charging Time: 5 Hours
Lasting Time: 3.5-6 Hours
Battery Capacity: 2000 mA Package weight: 0.965 kg
Product Size (L x W x H): 23 x 9.5 x 7 cm / 9.04 x 3.73 x 2.75 inches
Package Size (L x W x H): 25 x 11 x 8.5 cm / 9.83 x 4.32 x 3.34 inches Package Contents: 1 x MUSKY DY21L HIFI Wireless Bluetooth Stereo Speaker with LED Display Multimedia , 1 x Audio Cable, 1 x USB Charging Cable, 1 x English User Manual 
