Specifications:
Chipset：（JL7003）V5.4
version: 5.4
Support protocal: HFP、A2DP、AVRCP
Speaker: φ13mm
transmission distance：10m playing time：2h
Call time: 5hrs
Play time: 6hrs
stand-by time：200h
Earbuds battery: 50mAh*2
Charging Case Battery: 750mAh
Speaker sensitivity: 103±3db
impedance：32Ω
frequency range：20Hz-20 KHz
Voice assistance: support
Charging port: TYPE C
