Zelda posted a review of the closed back a-Seven wireless on-ear headphones over on Head-Fi. From the review they sound like basic entry level bluetooth headphones with a slight V shape and boosted base.
Pros – Build quality
Comfort
Bluetooth quality
Battery timeSound: Well balanced in wireless mode, good clarity and spacious
Cons – Average isolation at best
Fixed ear pads
Little foam on ear pads
(Full specifications are not stated)