Wireless Bluetooth speaker, card flashy dual speaker SUBWOOFER SPEAKER

Patent source: yes
Power supply mode: built-in lithium battery
Frequency response range: 100HZ-20KHZ
Processing method: OEM processing
Play format: MP3
Whether there is radio function: None
Product weight: 0.437
Whether cross-border export is exclusively for supply: yes
Packing list: data line of host instruction
Display: None
Number of speakers: 2
Speaker adjustment mode: key press
Patent type: utility model patent
Applicable people: general
Battery capacity: 1500 mA
Print LOGO: Yes
Main downstream platforms: Amazon, AliExpress
Is APP supported: no
Function: card insertion, waterproof, dustproof, anti-falling, and call function
Main sales areas: Europe, South America, Southeast Asia, North America, Northeast Asia and Middle East
Invoice: 12 points should be added for invoicing
Goods category: spot
Whether to support one consignment: yes
Power mode: alternating current
Foreign trade: no
Colors: blue, black, red, gold, black glare, rose gold glare, red glare
Bluetooth protocol: 4.1
Output power: 3W
Connection mode: Bluetooth connection 3.5MM audio jack
Interface type: USB
Appearance size: 190x55x68mm
Channel: 2
Box material: plastic
Shell material: plastic
Operation mode: key press
There is an authorized private brand: yes
Playback time: 8 hours
Effective distance: 10m
Supported format: TF card U disk
Signal to noise ratio: ≥75dB
Expanded storage: 32GB
Type: Bluetooth speaker