Bluetooth version: chip CSR BC03 and Flash V1.2 Module of Samsung Frequency: 2.4GHz Headset and Handsfree Profiles Standard charge time: 2 hours Talking time: 6 hours Waiting time: 180 hours Effective scope: 10meters Weight: 20g Device Dimensions:65 X 25 X 22 mm With Chinese and English guiding brochure, charger and bluetooth earphone BOX Dimension: 13.8 X 18.8 X 7.3 cm, 20pcs/CTN, 8kg/CTN