Motorola H710 User Manual page 12

① CHARGE
Charge your headset's battery for 2 hours:
 Plug the Motorola charger into the end of the headset.
The indicator light turns red when the battery is charging. It may take up to
 minute for the indicator light to turn on. When the headset's battery is
fully charged (about  hours), the indicator light turns green.
 Disconnect the charger.
Note: Headset is not functional while charging.
Note: This product uses a lithium ion, rechargeable, non-replaceable battery. Under normal
use, the expected life of the rechargeable battery is approximately 00 charges.
Your Headset's Battery