Product Name: Top Rated Portable Wireless Tour Guide Mini PA System with UHF Headset Mic Model NO.: SD-S611 SNR: <70dB Function: USB, SD Card Structure: Waistband Speaker Sound Channel: 2 Adjusting Method: Knob Usage: Stage/DJ, Karaoke, Portable Player, Home Theatre System, Computer, Radio, TV, Mobile Phone, Voice Amplifier Speaker Material: Plastic Amplification Type: Active Product Name: Top Rated Portable Wireless Tour Guide Mini PA Sys Input: 5V 500mA Output Power: 10W UHF Frequency: 700-740MHz Battery: 2000mAh Voice Amplifier: for Tour Guides, Teachers, Coaches, Presentations Microphone: UHF Wireless Microphone Color: Black,Red,Blue Certification: Ce RoHS FCC Trademark: OEM Transport Package: Carton Specification: 110mm*88mm*38mm Origin: Shenzhen HS Code: 8518500000 Product Description Top Rated Portable Wireless Tour Guide Mini PA System with UHF Headset MicMain Features:1. SHIDU patented apperance;2. Stylish, ergonomic and comfortable design;3. Adopt UHF high frequency wireless PA technology, transmission distance up to 35m;4. Adopt Hi Fi double magnetic trumpet --- powerfully treble and bass, more fuller tenor;5. Adopt SHIDU original sound amplification electroacoustic system;6. imported microphone, intelligent circuit IC; maximum inhibitory echo problems;7. Multifunction Mini USB interface; supports three functions (a. DC 5V charge port; b. used as computer speakers; c. manage the documents in the TF card or USB via computer);8. Super MP3 audio decoding --- support TF Card & USB disk;9. UHF wireless microphones with intelligent power saving function.Technicalparameters:Outputpower:10WFrequencyresponse:90Hz~18KHzChargingVoltage:DC5V,500mALithiumbattery:2000mAWorkingtemperature:-10ºC~45ºCWorkingtime:6~10hours(musicalmode); 12~18hours(microphonemode)Chargingtime:3~5hoursSize:110mm*88mm*38mmWireless distance:50mAvailablecolor:sea;purple;black; greenWeight:205gSoundcoverage:400~500mTop Rated Portable Wireless Tour Guide Mini PA System with UHF Headset MicFQAQ1. Payment1. we can accept T/T,Western Union and Paypal.2. 30% T/T as depoist, 70% balance before the shipment.Q2. Shipping1. Sample order: we will send out around 3 days.2. Bulk orders: we will quote the delivery time according the order quantity, usually 25 working days.Q3. Return and Warranty1. All the goods are 100% inspected before shipment.2. All the goods are 1 year warranty.Q4. OEM1. Customized LOGO on products .2. Customized package box3. Customized software