BL129 5th Generation TWS Earbuds

Chipset model JL6973 Bluetooth version 5.3 Bluetooth audio agreement HFP、HSP、A2DP、AVRCP、SPP、PBAP、 TWS+ Bluetooth distance 10M/33 feet（Depends on the functionof cell phone） Earphone music time 6-7hours Battery box time 15hours Charging port Lightning Earphone charging time 1 hour Battery box charging time 2 hours Earphone battery capacity Li-on3.7V/35mAh Battery box battery capacity Li-on3.7V/230mAh