Interface: USB + 3.5 mm audio interface .Bluetooth version: V3.0 + EDR
Operation Range: up to 25m *Frequency Rate: 2.402GHZ-2.480GHz.Input: 5V 1000mA *RMS: 3W*2
Response frequency: 87.05~108MHz *SNR: >90dB.Colors:Black / Blue / Red / Yellow / Green .
Note:- Color will be sent as per available
Please use correct source to charge the device (220V with at-least 0.5A output or Laptop/Computer USB source).Charge the device for at least two hours before first use.