Wireless Phone Camera Bluetooth Remote Control Shutter Monopod For Selfie
It features Bluetooth 4.0 and long distances up to 2-10m/6.6-32.8 feet for use. Effective distance: about 10m (30ft). Battery model and service life: CR2032 x 1 cell / about 12 months. With portable hanging hole design,it can on the key chain.