This battery is a better replacement for Airpods A1604, A1602, A1523, A1722, A2032 A2031 models 1st & 2nd generation earphone's battery.

Features:

• Reliable
• Low charging loss and long service life. 
• Protection circuits from overcharging, over-discharge, short circuits, etc. 
• It is utilized in Apple's Wireless/Bluetooth earphones to reduce issues caused by a faulty battery, including hot headphones, short battery life, slow charging etc.

Specifications:

1. Type: Li-ion
2. Voltage: 3.7V
3. Capacity: 75mAh
4. Size: 23*4.7mm

Package Includes: 

1 PC x Replacement Battery for AirPods 1st & 2nd Generation Bluetooth Earphones