Business Handsfree Single Earphone Wireless Earbud (In Ear) Bluetooth Headset for Motorola Type: Bluetooth Stereo Headset Ear Coupling: Earbud (In Ear) Talk Time: Up to 6 hours Standby Time: Up to 120 Hours Charge Time: 2 Hours (By 5 V Power Adapter) Operating Range: within 10 meters Bluetooth Version: 2.1 Dimensions: 50mm x 20mm x12mm