1.The product adaptation model is WF-1000XM4 Charging Case, compatible with LP702428 components
2.Product adaptation Product specifications: Capacity: 500mAh, Rate: 1.93Wh, Type: Li-Polymer, Voltage: 3.85V, Weight: 34.0g, Dimension:29.8 x 23.1 x 7.0mm. Please confirm the size match before purchase. If in doubt, please contact us.
3.Type of battery: Lithium-Polymer Battery. Each battery is subjected to strict quality testing and use testing for longer battery life.
4.The product has passed the CE and environmental protection certification,which means the quality is even more guaranteed.It deserves to be your best choice.
5.Email reply within 24 hours, 12-month warranty and 30-day money back guarantee.If you have any questions, contact us without hesitation,We'll try our best to solve the problem for you.