Wireless Bluetooth Speaker Portable Plug-in Card Dual Speakers Mini Audio Subwoofer High Quality

Product parameters: Solution: RDA bluetooth 4.0 Support: WAV, MP3 Functions: hands-free call, FM radio, TF card, AUX audio input, U disk Transmission distance: 10mHorn: A new double horn + 40 mm bass diaphragm 4 Ω 3 w * 2 Battery: DC 5V Configuration: A2DP(wireless stereo bluetooth) SNR: 80dB Frequency rate: 90 hz - 20 KHZ