Mini portable metal bluetooth speaker

$0.99

Type: Bluetooth speaker Connection method: Bluetooth connection Interface type: USB Battery capacity: 300mah Frequency response range: 100HZ-20KHZ Output power: 3W Signal to noise ratio: 75dB Power supply mode: built-in lithium battery Channel: 5.1 Playing time: 2h Expansion storage: 32GB Bluetooth protocol: 5.0 Product size: 31 * 50mm Shell material: space aluminum alloy