... 100pcs 2, good amplifier 3, CE, ROHS, SEDEX tests 4, newest design 5, OEM and ODM are OK 1 ... power needed 2. Holds Apple's iPhone vertically and horizontally 3. No external power needed, 13 ... dB of volume amplified 4. Holds phone vertically and horizontally, functions well in hand-free mode ... Washable, dirt and scratch resistant 7. Size: 106x50x47 mm unique silicone horn stand amplifier speaker for apple ...