Product Details： The Receiving Head Is Successfully Connected To The Console By Inserting The Host, And The Led Light Be On, With One Light And Two Lights On Lashing Indicates That The Connection Was Unsuccessful. Note: If The Device Is Turned On But Not Played, It Automatically Enter Standby Mode. Once The Mode/start Button Is Activated, The Light Flash Slowly During Charging, Indicating Successful Connection To The Host A Light Is On. Note: When Using A 3.7v Carp Battery, The Battery Voltage Drops To 3.4v If The Light Is Constantly On, It Flash Slowly. If There Is A Low Voltage Alarm, It Needs To Be . Using 3v (no.5, ) When There Is A Thousand Batteries, There Is No Low Voltage Alarm, So If You Cant , Need To The Battery. Core Photos Can Only Be Connected Wirelessly, Not Wired The Usb Charging Port Only Supports The Charging Function Of The Charging Head And Cannot Be Connected To Data Colour:black Material:pc+plastic Package Contents: 1 X Joystick Encoder(due To Different Product Batches, The A