Earloomz SL100 Bluetooth Earpiece (Matthew Langille - Rough Hearts) Bluetooth Version v2+17 Rechargeable Lithium Polymer Battery Mobile Device/Video Game Compatible Bluetooth Version 2.1, CSR chip technology Supports headset and handsfree profiles Voice Prompt, allows pairing to two phones includes wall charger, USB charging cable, 2 ear hooks, 4 ear buds 4 hours talk time, 180 Hours Standby Time, 10 meter range