Zinc Alloy Metal Case,Super Bass Stereo Sound ANC+ ENC(4mics）
Bluetooth Version:V5.4
Chipset: JL7003
ANC: -28db
ENC: -20db
Profile::HSP/HFP/A2DP/AVRCP
Bluetooth Distance:10Meters
Impedence:32Ω
Driver Size: 10mm
Frequency Range:20-20Khz
IPX level: NO
Sensitivity:105+/-3DB
Battery: 35 mAh / 300mAh
Charging port type:Type C
Charging Time:1.5 HRS
The numbers of re-charge:3
Charging input(Amps):5V 1A
Playing Time : 4.5-6HRS