User's Manual

 The headsup gives a voice reminder "Battery Low" , indicating that the battery

power of the product is insufficient. Please charge the headsup as soon as

possible. The rating charging voltage is DC 5V 1A.

 Any private disassembly of this product may cause it damage and invalidation of

the warranty.

 Do not place the product in a dusty and humid environment. This product can

only be limited waterproof, not soaked in rain water.

 Dismantle or replace batteries at a qualified maintenance center, If the product is

not used for a long time, charge it at least once every two months.

 The use of batteries is related to specific working conditions. The use and

standby time of the product are for reference only.

 Do not pull the cable of the left and right channel. Too much force will cause

damage to the product. ( Tensile strength of cable: 1 Kg Max )