1.MP3 Module 2.2GB IPX7 Touch Button Waterproof MP3 3.Fast Delivery 4.Competitive price 5.Delicate, durable, portable Product Description:2GB Waterproof IPX7 Touch Button MP3 Module Player(Black) 1) Necklace case, Touch button; 2) Without screen display; 3) Support MP3, WMA 4) Work time: Approx 4 hours 5) Connection Type: USB 2.0 6) Built in 2GB memory 7) Earphone Jack: 3.5 mm Stereo Jack 8) ...