???? ??? ???????? 2pack Z55H 75mAh Battery, Compatible for Sony Headset WF-1000XM4, Truly Wireless Earbud Noise Cancelling Headphones Premium 3.85V Battery with Installation Tools Kit

Additional Details from the Manufacturer

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More features

• 【Perfect compatibility】100% Compatible with Sony WF-1000XM4 original battery.
• 【Battery Voltage】3.85V Battery Capacity:75mAh
• 【Battery specification】Actual measured dimensions (mm): D5.5 x W12
• 【High-Quality Products】New upgrade with Z55H battery is made of Class A high quality batteries and with CE, FCC, UL, PSE and ROHS certification. Build-in microchip to prevent over-charging,over-discharging and over-heating
• 【Customer Support】: Your satisfaction is our greatest motivation, if you have any questions, Please feel to contact us. We offer a 30-day money-back guarantee, 12 months after-sales product and 24 x 7 email support. Thank you for your support.