Package contents:
1 x Ni-Cd battery pack
1 x USB charge cable

Cautions:
1. Please turn off the device when low battery to avoid deep discharge.
2. Disconnect the battery with the device when not in use.
3. Never use or charge the battery that has ballooned or swelled, leaks, overheat or anything else abnormal occurs.
4. Never disassemble, puncture, shock or crash the battery, never put the battery into fire.
5. Put the battery at a safe place where infants or kids can not reach.
6. Never overcharge the battery, improper use, such as short circuit or overcharge might cause explosion or fire.