A:AnswerHi! You can use one on Bluetooth and the other with the USB receiver that come with it. However, if you plan to game with them, definitely use the USB receivers instead of Bluetooth so you can utilize the Lightspeed no lag technology!
A:AnswerIt has both. That is one reason I wanted it. However do not expect to program the extra keys. Does not have Calculator Key. is noisy as is most mechanicals. Easy pairing with laptop.
![The text on the image is grouped and corrected as follows:
* CAPS LOCK: GI ESC F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 PRUNT SCRN SYSAG SCROLL LOCK PAUSE BLAR MI D G2
* ! 1 2 # 3 $ 4 % 5 A 6 & 7 * 8 ( 9 1 0 = + = INS HOME PAGE UP NUM LOCK / G3 TAB Q W E R T Y U I O P { [ } ] I / DEL END PAGE DOWN 7 HOME 8 9 PG UP + G4 CAPS LOCK
* A S D F G H J K L : ; ENTER 4 5 6 G5 SHIFT Z x C V B N M A > ? / SHIFT 1 END 2 3 PG DN ENTER G6 CTRL ALT ALT CTRL 0 INS DEL](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6083/6083509_sd.jpg)
![G613 G1 ESC F1 F2 F3 F4 F5 G613 G2 ~ ! 1 2 # 3 $ 4 % 5 V 6 G3 W E T TAB Q D F CAPS A S G4 LOCK logitech X C Z SHIFT F6 & 1 Y G V F7 F8 I 8 9 U / H 3 Wireless Mechanical Gaming Keyboard Drool-proof mechanical gaming keyboard ROMER-G TACTILE F9 F10 F11 Moc F12 OOL M - f M OE SCL 0 I 9 ) 1 / by AO DO 3 0 P ] 1 / . ENTER K L 1 a A 7RH2 2 < 1 M](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6083/6083509cv19d.jpg)
![The text on the image is as follows:
* G1: ESC, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, PRST, O, SYS, NS, SER, OUA, LOCK, PAUSE, BAL, HI, I, >N, G2
* G2: 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, +, -, INS, HOME, PAGE UP, NUM LOCK, /, -, G3
* G3: TAB, Q, W, E, R, T, Y, U, I, O, P, {, [, ]}, I, I, DEL, END, PAGE UP, 7, HOME, 8, 9, PG DN, ENTER, G4
* G4: CAPS LOCK, A, S, D, F, G, H, J, K, L, I, i, a, e, ENTER, 5, 6, G5
* G5: SHIFT, Z, x, C, V, B, N, M, /, SHIFT, 1, END, 2, +, 3, PG UP, ENTER, G6
* G6: CTRL, ALT, ALT CTRL, 0, INS, DEL, DARS](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6083/6083509cv20d.jpg)
