Army Bluetooth Speaker Netrino. Bluethooth and Line in. Excellent sound quality
That device has been designed for a long life span.
1 Sound amp D class for good sound quality and battery saving 2×35 watts stereo
2 There are external antenna for more than 15 meter B.T range
3 In the constuction we use a military type plug
4 The constuction has an automatic audio line
5 Battery 12,4 volt
6 There in analog potentiometer with ON/OFF