Suggested Retail: $39.99. JYX Portable Voice Amplifier for Teacher with Wireless Microphone Headset and waistband - This portable voice amplifier by JYX comes with a wireless microphone headset and waistband. The comfortable and adjustable headset is made of durable, wear-resistant ABS material and is suitable for both indoor and outdoor use. It features Bluetooth 5.0 technology for speedy transmission and supports MP3 format and TF card input. The amplifier has a built-in 2200 mAh high capacity battery that provides 5-10 hours of music playing or 8-12 hours of amplification. Its 7W output power creates a crystal clear and resonant sound, loud enough for medium-sized indoor or outdoor venues for around 100 people. Brand: JYX Model: Wireless -- LOT STICKER: BB-BOX-BOX00000174-ITEM-LPNRRFV3303830-fa8780dc -- SIZES ARE ESTIMATED. 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.