RD SB 81 Wireless Headset

Technical Specification: Bluetooth Version: � 5.0 Talking Time: Up to 10 to 15 Hours Music Time: � Up to 10 to 15 Hours Standby Time:� Over 180 Hours Charging Time:� 1 2 Hours Charging Type:� Micro USB Charging Power:� DC5V110mAh Transmission Distance:� 32ft. (10M) Output Power:� 3mW x2 Sensitivity:� 102dB AT 1KHz Frequency Range:� 20Hz 20KHz THD:� <1% Supported Profiles:� HSP, HFP, AVRCP Mic Sensitivity:� 42dB Battery Capacity: 260mAh Volume : Extra Bass