Xvive BU4 Battery Replacement Kit for Xvive U4 System

XVive U4 Battery Kit (BU4), Lithium Polymer Battery, For the XVive U4 Wireless System, Carefully tested special batteries from XVIVE, Precision control circuit to ensure safe charging, DIY kit for easy battery replacement@+*Delivery contents:*, Two lithium-polymer batteries for transmitter and receiver, One screwdriver, One antenna cap for U4 transmitter and receiver, Two double-sided adhesive tapes, Transmitter battery: 860 mAh, 3.7 V, 2.4 Wh, Receiver battery: 1200 mAh, 3.7 V, 4.44 Wh@+*Note on disposal within Germany*: Due to the Battery Act (BattG), you as the end user are obliged to return all used batteries and rechargeable batteries. Disposal via household waste is not permitted! Batteries and rechargeable batteries containing harmful substances are marked with the symbol of a crossed-out dustbin and the chemical symbol (Cd = cadmium; Hg = mercury; Pb = lead) of the heavy metal that is decisive for the classification.