View on LOZ Suggested Retail: $29.88. Wireless Microphone Headset, UHF Wireless Mic Headset and Handheld 2 In 1, 160 ft Range for Voice Amplifier, Stage Speakers, Teacher, Tour Guides, Fitness Instructor（Do Not Support phone/ Mac/Laptop）. Do not support mobile phone/ Mac/laptop--Latest Upgraded Wireless Microphone Headset System: Adopt advanced UHF wireless transmission technology. 160 ft (50M) stable wireless connection at open areas. Suitable for teaching, stage performers, Meeting etc Headset microphone--it can also be used as handheld mic,wireless mic,make you more freedom to move around and demonstrate highlights or important facts, perfect for Fitness Instructor,Teacher, dancing instructor.. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.