Portable Usb speaker
Micro SD (TF) card support, can play MP3, WMA format music files.
Let you enjoy your favorite music in stereo sound wherever you are.
Powered by built-in rechargeable lithium battery
support LI-in function
Support MP3/Wma playing function
with inside rechargeable lithiumbattery Accessories:1pcs standard mini USB recharger port, power adapter is optional. 1pcs AV cable,1pcs User'manual
Specification
Output (RMS):3w
Driver unit: 4Ω 5W
Input Sensitivity: AUX 450mV
Separation: ≥55dB
Machine S/N: ≥68dB
Charging power supplied: 5V
Operating Voltage: DC 3.7V
Batterycapacity:550
ight/Left sound respond frequency:150-18000HZ
Signal and noise ratiopower amplifler: ≥80dB
Welcome OEM/ODM order
