... speaker mini order:100pcs payment term:T/T,western union,escrow,paypal shipping:BY AIR ,by sea High quality bluetooth mini speaker Specification *Bluetooth ... Supported: HSP V1.2, HFP V1.5, A2DP V1.2 *RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band ... for voice*Frequency Response: 20 Hz - 20 KHz, Very high Signal to Noise Ratio(SNR ):95 Db, Total Harmonic Distortion(THD):0 ...