Color Black Material Plastic Quantity 1 Piece Ear Coupling Earbud Bluetooth Version V2.0 Operating Range 10 meters Radio Tuner Yes Microphone Yes Supports Music No Connects Two Phones Simultaneously No Built-in Battery Capacity 200 mAh Battery Type Li-ion battery Talk Time 1 Hour Standby Time 48 Hour Plug Specifications EU Plug (2-Round-Pin Plug) Power Supply 100~240V Other Features Supports English and Simplified Chinese screen size is 0.68 inches Packing List 1 x Headset 1 x USB cable (82cm) 1 x USB Charging Power 1 x AC power charger adapter (EU plug 100~240V) 1 x English user manual