Wireless 2.4G Headphone

• Batteries can be rechargeable or replaceable.Rechargeable batteries have a stand in which the headphones sit. Try to keep them charged.More cost-effective in the long run.And better for the environment.NiCd batteries are no good.NiMh and Li-Ion are fine.Replaceable batteries work like any other kind of battery-driven technology.Dolby headphones provide the best surround sound.Auto-Tuning means your headphones will receive the clearest signal.