Invisible Mini In-ear Mini Single Ear $ 34.14 Product information: Bluetooth protocol: 1.2 Channel: 2 How to use: earplug type Whether single or double ear: bilateral stereo Applicable gift-giving occasions: advertising promotion Color: Really invisible-9mm-non-flashing light-skin color [binaural touch version], truely invisible-9mm-non-flashing light-white [binaural touch version], truely invisible-9mm-non-flashing light- Pink [Binaural Touch Version], invisible-9mm-no flashing light-skin color [single-ear touch version], invisible-9mm-non-flashing light-white [single-ear touch version], invisible-9mm- No flashing light-pink [single-ear touch version] Packing list: Wireless headset x1