Model Number: BSPK-J2681-S5I-J Brand Name: Tonstep Key Specifications/Special Features: Waterproof Bluetooth Speaker with suckerWaterproofing grade:IPX4Bluethooth version:3.0+EDRDistance: 10MOutput power: 3WFrequency range: 100MZ-20KHZSensitivity: - 40 dbDistortion:Built in 400mah batteryWorking time: 2 hoursCharging time: 2 hoursSize: 91.5*84.5*53mmWith 3.5 stereo audio jack, suit to laptop,computer,MP3/MP4 and mobile phone.
Support iPhone, iPad and all telephones which have Bluetooth function