iGame Portable Wireless Bluetooth Speakers with Enhanced Bass Resonator - Silver Color: Silver Speaker Type: Bluetooth Speaker Specification: Bluetooth Version: Bluetooth V3.0 Double 5w Bluetooth Speakers The 40mm voice coins In put sensitivity as 400mV SNR = 95dB THD = 1% Compatibility: Compatible with all bluetooth devices Connectivity: 3.5mm Wireless Technology: Bluetooth Bluetooth Version: 3.0 Operating Range: 33 feet