Noise cancellation function wireless capacitive microphone, you can enjoy singing wonderful music by yourself.Bluetooth wireless design for connecting to any Bluetooth enabled smart devices.Distortion is less than 0.5 percent, reduce the loss of sound quality effectively.

• Bluetooth Version: V5.0
• Play Modes: Bluetooth, AUX, USB Flash Disk
• Drive Units: 58mm 40
• Rated Output Power: 25W x2
• SNR: >90dB
• THD: <10%
• Frequency Response Range: 60Hz-20KHz
• Transmission Distance of Bluetooth: >10m

-Model number: A770BL
– Bluetooth version: 5.0
– Battery capacity: 250mAh
– Standby time: up to 25h
– Talking time: up to 10h
– Playing time: up to 13h
– Charging time: 1h
– Transmission distance: up to 10m
– Frequency response: 20-20kHz
– Connectivity: Bluetooth, 3,5mm aux-in

• Portable Outdoor waterproof Wireless Loudspeaker
• Wireless Bluetooth Speaker With Microphone
• Speaker Support For AUX TF Card FM Radio U-Disk Bluetooth
• wireless stereo Bluetooth speaker
• TWS super bass speaker
• music Bluetooth speaker
• Bluetooth subwoofer speaker Bass
• wireless speaker Bluetooth Stereo Sound

This device has multiple functions, including an alarm clock, music player, sleep sound machine, wireless charger, lamp, and even the ability to answer phone calls. With so many features in one compact device, the Smart Light Sound Machine is the perfect addition to any bedroom or relaxation space

Bluetooth Version: 5.0

Input Mode: Bluetooth , AUX, TF Card

Speaker Full Range unit: 45mm 4ohms

Speaker Power: RMS 5W

Power Output: 5W

Charging Voltage: 5V/1000mAh

S/N: ≥ 80db Distortion: ≤10%

Frequency Response: 100Hz-20KHz

Battery Capacity: 800mAh /3.7v

Passive Bass: 50mm

Working Time: About 6 hours

Charging Time: About 2.5 hours

Bluetooth Transmission Distance: about 10m