רמקול אישי נייד בלוטוס נגד מים
BT version:V3.0+EDR
BT distance: more than 10 meters
BT transmission power:   CLASS2  4dBm
BT working frequency:2.4GHz
Speaker parameter :4Ω3W Diameter 40MM
Signal to Noise Ratio:≥85 db
THD: ≤ 0.1% (3.7V/1KHz/1.8W)
Battery capacity:500MAH/ 3.7V
Music playing time:4-6Hours
Charging time: 2.5 Hours
Feature: Bluetooth, Handsfree calling,