1. Bluetooth version: 5.3
2. Battery capacity: 1800mAh
3. Signal to noise ratio: 60dB or more
4. Frequency response range: 100HZ-100KHZ
5. Output power: 10mW (headphone output), 4W (speaker output)
6. Charging voltage: 5V
7. Reverb mode: echo sound effect reverb
8. Material: ABS
9. Size: about 19.2 x 7.9cm
10. Weight: about 246g

Features:
1. Microphone audio integrated, intelligent noise reduction, no whistling, no noise
2. 5.3 Bluetooth stable connection, monitor ear, listen and sing, wireless Karaoke, HIFI speakers, cell phone APP recording, reverb adjustment
3. Dual microphone interconnection, easy pairing
4. Compatible with cell phones, laptops, tablets, desktop computers, wireless design
5. Built-in large-capacity lithium battery, durable
6. With small night light design
7. A variety of ways to play, support audio playback, AUX playback, dual-mike pairing, Bluetooth connectivity playback
8. Five different sound effects, doll voice, male voice, female voice, strange voice, original voice