This is very good product.you can pair with all device directly.this product is connected with all device directly.battary backup is very good and battary is long term life.this is high quality product.zeeva is very good product and it will pair with your mobile for transfering mp3 directly.it is very good quality product for a good quality product.we have headphone very closely connected it very truly and directly very well.it is good quality product.this is very giid product