Featuresr ergonomic design beautiful and luxury design more meet the hands stylish and silk smooth touch anti skid comfortable and portable let you enjoy the great fun for gamingr bluetooth 30 wireless transmission bluetooth enabled for 8 10m range reliable wireless connection pairs wirelessly with your iosandroid smartphone via bluetooth technology the powerful transmitter instantly sends commands to your device without delayr 4cm 85cm width cut lock arm attaches your smartphon