Bluetooth Speaker Portable Wireless Bluetooth Speaker Outdoor Waterproof Card Mini Speaker

Product information

Connection method: Bluetooth connection
Interface type: card reader
Battery capacity: 400MAH
Frequency response range: 40Hz-20KHz
Output power: 4Ω3W
Signal to noise ratio: ≥70db
Power supply mode: built-in lithium battery
Channel: 1
Playing time: 2-3 hours
Expansion storage: 16GB
Bluetooth protocol: 4.0

Size Information

Size: 6*6*13.5CM

Packing list

Bluetooth speaker*1