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Singing Machine SMM478 Duet Karaoke Microphones with Portable Bluetooth Speaker
- Built-in Speaker. Line-in jack to connect your favorite audio device
- Portable 2 in 1 Bluetooth Microphones with Speakers pair together so you and a friend can sing the night away
- Lights sync as you sing, and the Echo controls give your voice a fun effect!
- Microphone volume and echo controls. Pair 2 units simultaneously for duets
- Li-ion rechargeable battery for over 4 hours fun
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2-Pack Singing Machine Duet Portable Bluetooth Speaker with Microphone Portable 2 in 1 Bluetooth Microphones with Speakers pair together so you and a friend can sing the night away Lights sync as you sing, and the Echo controls give your voice a fun effect! Microphone volume and echo controls. Pair 2 units simultaneously for duets Li-ion rechargeable battery for over 4 hours fun Built-in Speaker. Line-in jack to connect your favorite audio device We know you love singing and sharing those singable moments; why not sing together? These truly portable 2 in 1 Bluetooth Microphones with Speakers pair together so you and a friend can sing the night away! Lights sync as you sing, and the Echo controls give your voice a fun effect! Bring the party with you; you set the scene, we bring the fun! Portable Bluetooth Speaker with Microphone Lighting effects sync with your singing Microphone volume and echo controls Li-ion rechargeable battery for over 4 hours fun Line-in jack to connect your favorite audio device Pair 2 units simultaneously for duets Built-in Speaker
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-954-596-1000
- Support Email: customerservice@singingmachine.com
- View other products from The Singing Machine Co., Inc.
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The Singing Machine SMM478 is a portable Bluetooth karaoke microphone set with two speaker-equipped microphones, designed for friends or family who want to sing duets with synced lights, echo controls, and over four hours of rechargeable battery life.
Recommended For
- Friends or couples who want to sing duets at home: the two microphones can pair together, while Bluetooth playback and microphone-volume and echo controls support casual sing-alongs.
- Families looking for an easy sing-along activity in a living room: the paired mics, built-in speakers, and music-synced lights suit informal turn-taking without a separate karaoke system.
- People hosting a small, casual sing-along who already have songs on a phone or tablet: the microphones accept Bluetooth audio or a 3.5 mm line-in connection, so playback comes from the user’s device.
- People who want to move a karaoke setup between rooms or bring it to a small indoor get-together: each microphone has its own speaker, and the rechargeable design avoids needing a separate speaker unit.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Duet-style karaoke with two microphones, built-in speakers, and Bluetooth connectivity for smartphone use |
| Audio And Karaoke Features | Set of two microphones with built-in speakers |
| Connectivity And Charging | Bluetooth connectivity and a Micro USB connector; one USB port |
| Power | Battery powered |
| Physical Details | Blue; 3.2″ W × 3.2″ L × 10″ H; weighs 1.13 lb |
| Included Items | Two microphones and a Micro USB charging cable |
| Model Identifiers | Singing Machine SMM478 Duets Party Mics |