The amount of data that can be stored on the device (internal memory).
Control by touches
To take advantage of a particular codec it must be supported by both devices
Support Wi-Fi technology
It allows one-touch pairing of compatible devices (both devices must support it).
The distance between opposite corners of the screen in inches
The international standard of dust and moisture protection. Indicated by an IPXX code, whereby the first X digit indicates the level of protection against solid objects, while the second X indicates the level of protection against water ingress
Bluetooth version: 5.0
Brand: Astell&Kern
Charging connector: USB-C
Brand: MJI Audio
Charging connector: USB Mini
: 32
Bluetooth version: 4.2
Brand: HiBy
Case included: yes
Brand: FiiO
Brand: Shanling
Circuit design: discrete
Form factor: portable
Power output: 3.8
Bluetooth version: 4.0
Brand: Sony
Charging connector: USB Micro
Codec support: AAC, AptX, AptX-HD, LHDC, LDAC
: 46
Codec support: AAC, AptX, AptX-HD, LDAC, LHDC
Brand: Cayin
DAC chip: BD34301EKV
: 45