General Brand ROMAN Model R9030 Material Plastic Quantity 1Set Specification Ear Coupling Earbud Bluetooth Version V4.0 Operating Range 10m Radio Tuner Yes Microphone Yes Supports Music Yes Connects Two Phones Simultaneously Yes Applicable Products Iphone Ipad Ipod Smartphone Power Built-in Battery Capacity 100mAh Battery Type Li-polymer battery Talk Time 5Hour Music Play Time 4 hours Standby Time 130Hour Plug Specifications EU Plug (2-Round-Pin Plug) Power Supply Input: 100 ~ 240V， output: 5V Dimensions & Weight Dimensions 2.76 in x 0.79 in x 1.18 in (7 cm x 2 cm x 3 cm) Weight 0.25 oz (7 g) Packing List 1 x Bluetooth headset  1 x Pairs of silicone ear hang 1 x Rotate ear hang 1 x 2-round-pin-plug headset plug (100 ~ 240V) 1 x Rechargeable line (15 cm) 1 x Bag 1 x Stopper 1 x Instructions in both Chinese and English