... !EP!COOL!That is—AirCurve acoustic amplifier without plug for iPhone4! It is absolutely a great invention in current ... it, then the voice will be enlarged 10dB no matter for FaceTime, music listening, HF call, movie watching and ... *44cm,60pcs/cartonG.W.19g Product typeKlangGift sending occasionPromotion, business gift, festival, moving, birthday, marriage, medal presentation, exhibition, anniversary, ...