• 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

1, Input voltage: DC 5V charging/discharging
2, Audio input means: Ø3.5mm AUX, Micro-SD (TF) card, U flash disk, Bluetooth signal.
3, LED screen: It can display inputted audio source, FM broadcast, time setting, alarm setting, etc.
4, Power: 5W*2 for audio output / 5W as wireless charge / 10W as power bank.
5, Load of Speaker: 4Ω 5W*2.
6, Battery Capacity: 8000mAh/3.7V
7, Dual alarm setting
8, Product Size: L146*W146*H82.5mm

Product name: ws1816 wireless LED bluetooth microphone
Product size: 27 x 8 x 8cm/10.63 x 3.15 x 3.15in
Net weight: 466g
Material: ABS shell, Aluminum alloy handle, steel mesh cover
Input voltage: 5V
Power supply: USB power supply
Battery capacity: 1800mA, 18650 lithium battery
Quantity of speakers: 2
Connection mode: mobile phone Bluetooth Applicable places: family, KTV, outdoor, car etc.

• 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

-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