Chinese Palm-size PC
| Model | Mars | Leo Freestyle | PD-300 | Legend "Tian Jin" 1000 | HP JORNADA 428 |
| CPU | 75MHz 32-bit MIPS R3900 RISC Core | NEC Electronics MIP RISC 66MHz | SH3,32bit RISC CPU,60MHz | Mips Pr31700 75MHz | SH3 7709 100MHz |
| ROM | 8MB or 16MB | 16MB | 8MB or 12MB | . | 16MB |
| RAM | 4MB or 8MB | 8 MB expandable to 16 MB | 2,4,8,16MB | 8 MB expandable to 16 MB | 8 MB expandable |
| Modem | Soft Modem | ADD | . | Built in 33.6k software modem | . |
| Size | 137mm(L) x 85mm(W) x 19mm(H) | 122mm(L) x 81mm(W) x 17mm(H) | 4.9"(L) * 3.2"(W) * 0.8"(H) | 136 mm x 85 mm x 19 mm | . |
| Use Time | . | 10-15hr | . | 15hr | 6hr |
| On sail | 99/2 | 98/11 | . | 99/2 | . |
| Money | 12500NTD (390USD) | 15000NTD (468USD) | . | 3200-3500rmb (420USD) | 6000rmb (725USD) |