Features:- Versatile speaker, FM radio as well as MP3 player 2 in 1
- Pressing digital buttons to change the FM radio channel easily and directly
- FM radio frequency: 87 - 108MHz
- Support playing MP3 format audio files directly TF card ( not supplied ) and U disk ( not supplied )
- Standard 3.5mm earphone jack compatibles with most of the earphone in the market
- Brings you with natural sound and wonderful multimedia playing effect
- LED display screen shows playing mode and battery condition
- Powered by 400mAh rechargeable 5C Li-ion battery Design: Mini,Portable
Compatible with: TF/Micro SD Card
Supports: FM,TF Card Music Playing,Volume Control
Connection: Wireless
Interface: 3.5mm Audio,Micro USB,TF Card Slot,USB2.0
Audio Source: Electronic Products with USB port,TF/Micro SD Card,U-disk
Material: ABS
Color: Blue,Red TF Card Extension: 32G to the Max.(Not Included)
Number of Speakers: 1
Speaker Impedance: 4 ohm
Sound channel: Mono
Power Output: 3W
Standby time: 48 hours
Freq: 80Hz-20KHz
S/N: 70dB Power Source: Battery
Charging Voltage: 5V
Working Voltage: 3.3 - 4.2V
Battery Capacity: 400mAh
Charging time: 6 hours
Lasting Time: over 4 hours Battery Type: 5C Li-ion battery
Battery Voltage: 3.7V
Battery Current: 0 - 1A Package weight: 0.218 kg
Product size (L x W x H): 10.50 x 6.50 x 2.00 cm / 4.13 x 2.56 x 0.79 inches
Package size (L x W x H): 15.00 x 10.00 x 4.00 cm / 5.91 x 3.94 x 1.57 inches Package Contents: 1 x FM Radio Speaker, 1 x 5C Li-ion Battery, 1 x USB Cable