Take the fun to new levels with the Carpool Mic 2.0! Get louder than ever with the new voice changers and sound effects! And get ready to double up the fun with the capability to add a second microphone for endless duet fun! Whether on the road, on the boat, at home or anywhere, all you need is a speaker with an FM tuner or Aux port to get the party going. Get ready to turn up the volume and turn some heads like never before! tabs-section features-start 6 voice changing effects and 3 sound effects for endless fun All New Duets feature to add a 2nd mic (2nd microphone sold separately) Instant wireless connection to FM tuner or via AUX cord Lead vocal cancellation Bluetooth stream audio from any music or karaoke app Built-in long-lasting rechargeable battery for up to 6 hours of fun High-fidelity dynamic mic with independent mic volume Fun lighting effects sync with your music features-end specs-start Specifications Product dimensions:  2.1” W x 3.6” L x 10.6” H Product weight: 1.7 Kgs/ 3.7 lbs What's included Model CPK565 in reusable carrying case Micro USB charging cable Extra-long AUX cord specs-end where-start where-end manuals-start  CPK565 manuals-end