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They have an internal lithium-ion rechargeable battery. Charge via a micro-USB cable.
Sorry, there was a problem. Please try again later.Rechargeable and work for a long time.
Sorry, there was a problem. Please try again later.Both, you can wear them wired which will charge the battery or wireless which will use the battery
Sorry, there was a problem. Please try again later.It has a battery that can last up to 24 hours and can also be recharged using the included charging cable.
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