This premium quality battery fits Logitech H800 Wireless Headsets. Compatible with “Logitech H800 Bluetooth Wireless Headset with Mic for PC, Tablets and Smartphones” ASIN B005GTNZUM Also known as Battery for Wireless Headset H800. ienza is a registered trademark. Use of the ienza trademark without the prior written consent of ienza, LLC. may constitute trademark infringement and unfair competition in violation of federal and state laws. ienza products are developed as cost-effective alternatives to OEM parts. They are not necessarily endorsed by the OEMs.