Version: 5.3

Battery: 

headphones：30mah

charging case：200mah

Working distance: 10m 

Working time: 4-5 hours                      

sound track:stereo

Support：HFP1.7, 1.2 , A2DP1.3,AVRCP1.6,SPP1.2 and PBAP1.2,BDR/BLE