Material：Aluminium alloy+ABS
Bluetooth Version/chipset：V5.4/JL6973D4
Supported protocols：A2DP 1.0 AVRCP 1.5AVDTP 1.0 AVCTP 1.4 HFP 1.5GAVDP 1.0
Transmission Distance：≥10m
Working Voltage：3.7V
Impedance：32Ω±15%
Speaker Power：0.75mW
earbud /charging case Battery (mAh)：30mAh/150mAh
Charging Time：Approx.1.5 hours
Calling：Approx.3-4H
Music Play：Approx.3-4H
Standby：≈150 H
1.Compact semi-in-ear design, comfortable for long wear without pain, ergonomic design, feels weightless, and no foreign body sensation.
2.Long battery life, approximately 3-4 hours of use per charge, and the large capacity charging case allows you to listen to music for extended periods.
3.CD-quality sound, clear calls.
4.Retractable lid, rotatable CD disk, easy stress relief, immersive music listening experience.
5.Comes with a metal chain, trendy and versatile.
6.Composite diaphragm dynamic driver, delivers powerful sound, faithfully reproduces clear details, and provides a bright and lively listening experience.
