Our Shipping Conditions: Attention: The goods will be shipped from UK Delivery time: 2 to 4 working days Support 60 days return policy Reply within 24 hours Features: -It uses A+ grade cells to protect the battery from overheating, circuit damage, overcharging, over-discharging and short circuits. -Before first use, please deplete the battery and ensure 3 to 5 complete charge-discharge cycles to fully utilize the battery's performance and extend its lifespan. -Designed specifically for Toniebox speakers to ensure compatibility. -With its compact structure and easy installation, it is suitable for users to replace and use themselves. Specifications: .