Specifications:

• Working Voltage: 3.7V
• Use: MP3 / MP4 Player
• Use C: Bluetooth headset, mobile speaker, amplifier,navigation system (GPS),
• Use B: Selfie stick, Bluetooth speaker, toy and other electronic devices.
• Use A: Smart watch, wireless mouse, mobile backup power, MP3&MP4&MP5 players
• Type: Standard Battery
• Rechargeable: YES
• Rechargeable: No
• Package: Yes
• Model Number: 606090
• Model: 606090 Polymer battery
• Dimensions(L*W*H): About 90x60x6mm/3.54x2.36x0.24
• Charging Voltage: 3.7~4.2V
• Brand Name: Liter energy battery
• Battery Capacity: 4500mAh