New IPX7 Private Model TWS Wireless Bluetooth Speaker Outdoor Waterproof Portable Card Insertion Mini Speaker

Connection method: Bluetooth connection
Frequency response range: 100HZ-20KHZ
Signal to noise ratio: ≥ 75dB
Number of speakers: 1
Effective distance: 10-15 meters
Box material: ABS+silicone+steel mesh
Appearance size: 16 * 7.7 * 4.7cm
Item number: X3
Power supply mode: USB
Waterproof rating: IPX 7
Rated power: 5
Shell material: ABS
Battery capacity: 1200mAh dual protection board
Rated voltage: 5
Supported format: USB flash drive TF card
Certification types: CE, FCC, ROHS
Built in battery: Built in battery