Type: Bluetooth Headset Ear Coupling: In the Ear Talk Time: Up to 5 hours Standby Time: Up to 9 days Charge Time: 2 Hours Battery: Rechargeable non-replaceable lithium ion polymer Specifications: Multipoint Technology: Use one headset to answer calls from either of two paired Bluetooth-enabled phones. Charge Connector: Micro USB charging Compatibility: Bluetooth v3.0 with A2DP