Feature:

1. Built‑in 2pcs 15 W speakers with multi‑function, can achieve a full range of stereo reproduction.

2. It makes the subwoofer stronger and more balanced, and the Voice Cancel feature lets you cancel the singer's voice with a single press.

3. Built‑in Bluetooth 4.2. Plug in a USB/small memory card and record audio through a microphone.

4. Karaoke machine can convert sound field effects into standard, music, rock music, classical music, treble, subwoofer, and share with family and friends.

5. The speakers have built‑in rechargeable 7.4V/2000mAh high‑capacity lithium‑ion batteries and 3.7V/1500mAh high‑capacity lithium‑ion batteries, which provide up to 3.5 hours of continuous music playback at maximum volume. The speaker acts as a charging station, so it can be easily recharged at the same time.

Specification:
Product name: SD306plus

Item Type: Bluetooth Speaker
Material: ABS
Color: As Pictures Shown 
Weight: Approx. 2542g
Bluetooth: 4.2 
Bluetooth Name: SDRD
Frequency response: 100Hz-18KHz
Power charger: 5V/2A
Battery capacity: 7.4V/3000mAh
Power output: 15W+15W
Frequency: 100 Hz - 18 KHZ
Drive unit: 2 x 4IN
S/N: ≥80dB
Microphone battery specification: 1500mAh 3.7V
Microphone charging time :1-2 hours
Microphone type: single point capacity
Mode: Bluetooth /Small Memory Card/USB/AUX/FM/ Karaok

Package List:
1 x Karaoke Machine 
2 x Microphone
1 x Charging Cable
1 x Audio Cable
1 x Manual