More Details:<br><br><br><br><br><br><br>Specification:Brand Name: BluedioModel Number: 99BBluetooth Version: 3.0Effective Distance: 10mCharging Time: 1-2 hoursTalk\/Music Time: about 6 hoursStandby Time: 160 hoursPrequency: 2.4-2.48GHzProduct Weight: 11g (earphone) + 14g (dock)Optional Color: Black， White.<br>Note: Not support to connect to two devices.<br>Package Included:1 X Earphone1 X External Earphone1 X Ear Hook1 X Charging Cable