Bluetooth V4.0 is actually a trinity technology
The biggest problem for Bluetooth is the power consumption issue for a long time.
The emergence of Bluetooth V4.0 solved this problem.
Besides power-saving, BT V4.0 improve the startup time greatly
Our Bluetooth speakers BTS02 ADPOTS V4.0 technology and you deserve it!
lBluetoothV4.0lMultipointA2DPlVoice promptlIphone battery indication
lLine-in l1500hours standby time lTalk/play time:8-10hours