Key Features:
Physical button, 1 click for play/pause music or pick up/off calling, click 1 sec to reject calling, dual clicks to increase/decrease sound volume, click 2 secs for previous/next song, triple clicks to active sound assistant, long time click to power off/off earbuds.
Mechanical switch
Type-C input
Hidden indicator
Matte finishing to anti finger printing, fashion style design
Ultra smart size in your hands
Size: 61 * 38.5 * 29mm
Wight: 34g (incl 2 earbuds:6g)

Specification:
Bluetooth Version: V5.0 
Chip: JL6932A 
Profile Support: A2DP/AVRCP/HFP/HSP 
Stand-by Time: about 300H 
Talk Time: about 4H 
Music Play Time: about 4H 
Charging Time: 1.5H 
Charging Voltage:DC 5V 
Frenquency Range:2.4G 
Ambient Temperature:-10/±60℃ 
Transmission Distance :10M 
Earbuds Battery Capacity:40mAh/3.7V 
Charging Case Battery Capacity: 300mAh/3.7V 
Driver Unit:Φ6mm 
Sensitivity :98dB±3dB 
Impedance:16Ω 
Frequency Response :20-20000Hz