Track system:  StereoDual Sound Track
Battery capacity: 2200mAh
Driver units: 43+6Ω8W*2pcs+4Ω15w*1pcs
Impedance: 6Ω,4Ω
Rated power: 31w
Driver power: 8W*2/15w*1
Color: Black
Charging time: 4h
Talk time: 12h
Music play time: 12h
Bluetooth Protocol: A2DP / AVRCP / HFP / HSP
Frequency range:100Hz-20KHz
Input voltage: DC5V-500mA
Bluetooth frequency: 2.4GHz-2.480GHz
Optimal talking distance: 〈1M
Transmission Distance:  10Mbarrier-free space)
voice prompt:   Yes
multipoint connection:   Yes
Instruction:  Chinese & English

• Type: Plug and play
• Port: TYPE-C
• interface Cable length: 2m
• Sensitivity: -45+3dB
• Frequency response: 50HZ-16000HZ
• Compatible: Mobile phone/ camera/ computer/ tablet

• 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

• Product Type: Microphone
• Shure wireless microphone
• Using vhf 220-270 max band to avert interference frequency
• Using multilevel high frequency and mid frequency narrowband filter so as to dispel any possible interference signal
• The wireless microphone look good and are useful
• There is a volt indicating circuit in thy microphone it can tell you if it is necessary to change the battery
• A specially designed circuit switch is on the phone it is for clearing up waves of miscellaneous signals
• All use quarts crystal oscillating circuit so the frequency is very steady
• With audio comprising
• Expanding technology the machine can lower noises and increase the dynamic range it can also lower reecho
• Shure SH-200 Wireless Microphone Receiver System (Black)
• Microphone
• Transmitter Power: 8.5mW
• Mic length 23 cm
• Battery Voltage: 9V Battery
• Adapter Input: 200V 50/60Hz
• Output: 12V 500mA

• Mini Wireless Speaker
• Bluetooth V5.0
• TWS interconnection
• Waterproof IPX6
• Rope design
• Can pair 2 speaker at the same time
• Speaker specification: 45mm
• Calling power: RMS 5W
• Rated output power: 4W
• Charging voltage: 5V/1A
• Signal to noise ratio: > 80dB
• Distortion:≤10
• Frequency response range: 80hz-18.5kh
• Battery capacity: 800MAH /3.7V
• Low frequency radiator: 50 X 30mm
• Working hours: >6 hours
• Charging time: about 1.5 hours
• Bluetooth transmission distance:> 10m

DM 328 HANDHELD WIRELESS/CORDLESS MICROPHONE WITH RECIEVER