Replacement Battery for Sennheiser Momentum 2 3 Over-Ear/Momentum True Wireless 1 2 and charging case/HD4.40 HD4.50 BT 458BT Wireless Headphone

A Grade High-quality battery. Brand NEW Cameron Sino branded battery. Excellent quality and reputation. Equipped an integrated microchip which prevents overcharging and lengthens battery life The battery should be charged for about 4-6 hours before being used Great replacement for your old, damaged or worn one. Specifications Battery Type Li-Polymer Voltage 3.7V Capacity 500mAh Package Includes 1 x Battery