Koss KS5429-2 owner manual Charging

2.Charging

A built-in rechargeable battery (Li-Ion) is included for portable use. A fully charged battery can support about 2 hours of playtime.

When the built-in battery cannot power the unit or is used for the first time, recharge it.

1)Switch ON/OFF to OFF.

2)Connect the AC adaptor to the DC jack and a standard wall outlet. The red indicator will light up. Once fully recharged, the red light will turn off.

3)Disconnect the AC adapter to stop charging.

Note: It usually takes about 5 hours to charge the battery.

Note: Charge the battery for at least 8 hours before you use it for the first use.

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