Specifications Size & Weight Weight Approx. 4.1 g x 2 General Features Headphone Type Open, Dynamic Magnet High power neodymium magnets Frequency Response(Bluetooth® Communication) 20Hz -20,000Hz (44.1kHz sampling) Waterproof Ye...

Highlight Open ring design with audio transparency links your online and offline worlds Size & Weight Approx. 4.1 g x 2 Ultra small, light weight and super fit General Features Open, Dynamic Hear calls and music clearly Battery USB Charging (with Case) 5.5hr ba...