Brand Syllable Model G08-001 Quantity 1 Color Black Bluetooth Version 2 Ear Coupling Wireless / Bluetooth Talk Time 8 Hour Standby Time 180 Hour Operating Range 6~10 meter Compatibility Common Bluetooth devices Microphone Yes Supports Music Format MP3 Power Supply Built-in rechargeable Li-ion battery Built-in Battery Capacity 300mAh (33 x 23.7 x 6.8mm) Other Features Capable of answering phone Soft PE foam for comfortable wearing and great voice insulation; Folding design for easy carrying Certification um38.3 Li-ion battery Packing List 1 x Headphone 1 x USB charging cable (100cm) 1 x um38.3 300mAh Li-ion battery 1 x 2-Pin plug adapter 1 x 3.5mm connecting cable (100cm) 1 x Carrying bag 1 x Adapter 1 x Cleaning cloth 1 x English user manual