Splashproof Speaker BT: 3.0+EDRSupport: L2CAP/A2DP(AVCTP/AVDTP/AVRCP)can recieve AUDIO signal and control the AUDIO device Support HSP/HFP (Handsfree profile)Built-in Mic for hands free phone call WorkingDistance: 10 meters SNR:> 90dbBattery: 1200 mAhBuilt in voltage: 3.7V Normal volume playing time 3HSpeaker driver: 52mmPower: 4 Ohms/5wFrequency: 150Hz-20KHz
