No. Mainstream bookstores have certain ethical and moral standards. Since 'erotic christian fiction' goes against the values associated with Christianity, it would not be stocked.
The AK70 was a portable Hi-Fi music player launched by Astell&Kern. It had a small and lightweight body design, using the MC4398 decoding chip to support balanced output. The AK70 also introduced some new features, such as Wi-Fi, Bluetooth, OTL, and USBADC, giving it more playstyles and connection options. The player also had a USB digital output function, which could be connected to a decoding earpiece for direct push and bundled use. The AK70's body design was simple, and the operating experience was good. The volume knob and side angle design made it more convenient to operate with one hand. The AK70 was positioned as one of the cheaper models in the Astell&Kern player series, priced at about 3999 yuan. It was suitable for young consumers and provided good sound quality and operating experience.
The AK380 player was a portable digital audio player launched by Irier and Astell&Kern. It was the flagship model of Astell&Kern. It used two AKM's brand new Premium32-bit high-performance floating-point arithmetic decode chips, AK4490, which supported the playback of higher-level 32-bit/384-kilosecond sound source files and DSD files. The exterior design of the AK380 incorporated elements such as pause, movement, and reflection of light, demonstrating the understanding of moving light and shadow. It could be connected to the AK380AM back-clip earpiece, and the two could be fixed tightly by a fixing screw. The AK380's voice was soft and delicate, with a typical AKM neutral style, especially in terms of high-frequency resolution. The price of the AK380 was higher, about 23888 yuan. In addition, Astell&Kern also launched the AK320 portable Hi-Fi Lossless Music Player as a cheaper version of the AK380, which was estimated to cost 13500 yuan.