• 3500mAh High Capacity: Higher capacity than original battery, longer-lasting performance.
• Easy to Use: Simply quick install with included screwdriver and plastic tool.
• Considerate Details: Foam strip for cushion absorbing, durable and longer than original’s battery wire for better connection, sponge tape well protects the connector wire from damage.
• Safe Performance: Built-in protection circuit well protects the rechargeable battery from over-charge, over-discharge, short-circuit.
• Compatibility: Compatible with Harman Kardon Onyx Studio, Onyx Studio 2, Onyx Studio 3, Onyx Studio 4.