Battery replacement service for wf-1000xm4 headphones. This covers both sides - left and right. Upon placement of order you will be provided with shipping address to post the earpieces. On receipt the battery within both units will be replaced for a new genuine OEM battery manufactured by ZeniPower (same as originally used by Sony). Once the job is completed both earpieces will be posted back to you via Evri, Royal Mail or similar recorded delivery service. With each order please include in shipment also your Ebay ID and return address - for confirmation and to avoid any mix-ups. Any questions please just ask!
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