Material:Silicona+ABS
Colors: White, black, yellow, blue, pink
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Speaker: 4Ω 3W*1
Frequency: 90Hz-20kHz
Sensitivity: 80db± 2db
S/N ratio: ≥ 80dB
Distortion: ≤ 0.3%
Distance: 10M
Battery: Built in 400mAh lithium
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Feature highlights:
1. Super waterproof ability
2. Portable, superior absorption capacity
3. Support hand free calls, and echo weakening
4. Excellent bass quality
5. Mono output, and built-in vibration damper, making better low sound     quality
6. Able to dock with iPhone, iPad, loptop or desktop
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Packing contents:
1* BT speaker
1*Packing box
1*charging cable(micro USB)
Packing Size:
Package box: clear cylinder box 
Box size: 90*90*65mm 
QTY/CTN: 50PCS 
MEAS: 34*37*47cm