Dual-analog handheld built around a 5.5″ HD display, ~8 hour battery, and a UMD-free storage path.
Document KST-SPEC-001
Revision A
Issued 2026-08-30
Status Concept — pre-production
5.5in
Display, 720p IPS
8hrs
Mixed-use battery
245g
Weight
256GB
Internal storage
01
Display
Panel
5.5″ IPS LCD, laminated, anti-glare coating
Resolution
1280 × 720(16:9, 267 ppi)
Refresh rate
60 Hz fixed
Brightness
500 nits typical, 650 nits peak (HDR content)
Color gamut
100% DCI-P3
Cover glass
Aluminosilicate, oleophobic coating
02
Performance
SoC
Kestrel Silicon KX2, 6nm
CPU
4+4 core, up to 3.1 GHz
GPU
6-core tile GPU, hardware ray-trace unit
Memory
8 GB LPDDR5
Storage
128 / 256 GB UFS 3.1
Expansion
microSD, up to 2 TB
Note: no game disc or proprietary cartridge — the K1 ships storage-first, distributing titles over Wi‑Fi and microSD rather than the UMD path the PSP used.
03
Battery & Charging
Cell
4,500 mAh Li-polymer, user-replaceable
Gaming life
~8 hrs mixed load, ~5 hrs at peak brightness / max load
Video playback
~12 hrs
Charging
USB-C PD, 0–50% in 30 min, full charge ~80 min
04
Controls & Input
Sticks
Dual analog, TMR sensors (drift-resistant)
D-pad
8-way, concave
Face buttons
△ ○ ✕ □, backlit
Shoulders
L1 / R1 digital, L2 / R2 analog
Extras
Volume rocker, capture button, power/lock
Haptics
Linear resonant actuator ×2
Note: the original PSP shipped with a single analog nub; the K1's biggest control departure is a second stick for camera/aim control in dual-stick genres.
05
Audio & Connectivity
Speakers
Stereo, front-firing
Mic array
Dual, beamforming
Headphone
3.5 mm, in-line remote support
Wi-Fi
Wi-Fi 6 (802.11ax), 2.4/5 GHz
Bluetooth
5.3, LE Audio
Cellular
None
06
Ports & I/O
USB
USB-C 3.1 Gen 1, data + charge + video-out (DisplayPort Alt Mode)