12V 4 Channel UTV ATV Golf Cart Motorcycle Weatherproof Bluetooth Speakers MP3 Music Player Sound Audio Stereo Amplifier System AUX in USB SD FM Radio Motorbike Speaker. Notice: Battery is for the remote control, the item still need to connect to POWER DC 12V. It didn't include the battery to turn on the whole system, only for the remote. 250cm supper long wire to allow you the put the speaker in most place as you can.
3.5"x3.5"x4 bullet head design, Not too big, not too small, perfect for ride. 2 styles of install option, allow you to have more option to in stall it more unique. Competible with iPhone, Huawei as so on. Alarm Function keep your motor in more safe way, if someone try to move without your permission, it will alarm. Power Amplifier Specification Power: 4x25W Speaker impedance 4-8? Black ABS shell5 Rated Voltage: DC 12V Speaker Size(DxH):89mm(3.5")102mm(4") Main Unit Specification: Input Voltage: DC 12V (36V-72V Model need an adaptor) Bluetooth V3.0+EDR, support AVRCP1.0, GAVDP1.0, AVDTP1.0, A2DP1.0 Frequency Response: 21402GHz-2.480GHz Practical Sensitivity. 60dB Effective Transmission Distance: >10M FM Frequency Range: 87-108MHz Main Unit Size: approx 110mm(4.33")83mm(3.26")50mm(1.96) Package Contents: 4 x Speaker 1 x Main Control Unit 1 x Wired Control 1 x Remote Control 4x Handlebar Clamp 4X Scrow Holder 1 x Set of Installation accessories.