These subseries come with Bluetooth
![DW-B5600 missing image](../pics2/5600/DW-B5600/DW-B5600G-1_small.webp)
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![DW-H5600 missing image](../pics2/5600/DW-H5600/DW-H5600-1_small.webp)
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![G-B001 missing image](../pics2/001/G-B001/G-B001MVE-9_small.webp)
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![GA-B001 missing image](../pics2/001/GA-B001/GA-B001-1A_small.webp)
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![GA-B2100 missing image](../pics2/2100/GA-B2100/GA-B2100-1A_small.webp)
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![GB-5600 missing image](../pics2/5600/GB-5600/GB-5600AA-1_small.webp)
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![GB-5600 missing image](../pics2/5600/GB-5600/GB-5600B-1_small.webp)
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![GB-6900 missing image](../pics2/6900/GB-6900/GB-6900-1_small.webp)
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![GB-6900 missing image](../pics2/6900/GB-6900/GB-6900AA-1_small.webp)
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![GB-6900 missing image](../pics2/6900/GB-6900/GB-6900B-1B_small.webp)
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![GB-X6900 missing image](../pics2/6900/GB-X6900/GB-X6900B-1_small.webp)
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![GBA-400 missing image](../pics2/400/GBA-400/GBA-400-1A_small.webp)
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![GBA-800 missing image](../pics2/800/GBA-800/GBA-800-1A_small.webp)
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![GBA-900 missing image](../pics2/900/GBA-900/GBA-900-1A_small.webp)
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![GBD-100 missing image](../pics2/100/GBD-100/GBD-100-1_small.webp)
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![GBD-200 missing image](../pics2/200/GBD-200/GBD-200-1_small.webp)
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![GBD-300 missing image](../pics2/300/GBD-300/GBD-300-1_small.webp)
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![GBD-800 missing image](../pics2/800/GBD-800/GBD-800-1_small.webp)
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![GBD-H1000 missing image](../pics2/1000/GBD-H1000/GBD-H1000-1_small.webp)
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![GBD-H2000 missing image](../pics2/2000/GBD-H2000/GBD-H2000-1A_small.webp)
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![GBM-2100 missing image](../pics2/2100/GBM-2100/GBM-2100-1A_small.webp)
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![GBX-100 missing image](../pics2/100/GBX-100/GBX-100-1_small.webp)
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![GCW-B5000 missing image](../pics2/5000/GCW-B5000/GCW-B5000UN-1_small.webp)
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![GD-B500 missing image](../pics2/500/GD-B500/GD-B500-1_small.webp)
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![GG-B100 missing image](../pics2/100/GG-B100/GG-B100-1A_small.webp)
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![GM-B2100 missing image](../pics2/2100/GM-B2100/GM-B2100D-1A_small.webp)
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![GMA-B800 missing image](../pics2/800/GMA-B800/GMA-B800-1A_small.webp)
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![GMD-B300 missing image](../pics2/300/GMD-B300/GMD-B300-1_small.webp)
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![GMD-B800 missing image](../pics2/800/GMD-B800/GMD-B800SC-1_small.webp)
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![GMW-B5000 missing image](../pics2/5000/GMW-B5000/GMW-B5000D-1_small.webp)
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![GMW-B5000 missing image](../pics2/5000/GMW-B5000/GMW-B5000PS-1_small.webp)
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![GPR-B1000 missing image](../pics2/1000/GPR-B1000/GPR-B1000-1_small.webp)
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![GPR-H1000 missing image](../pics2/1000/GPR-H1000/GPR-H1000-1_small.webp)
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![GPW-2000 missing image](../pics2/2000/GPW-2000/GPW-2000-1A_small.webp)
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![GR-B100 missing image](../pics2/100/GR-B100/GR-B100-1A3_small.webp)
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![GR-B200 missing image](../pics2/200/GR-B200/GR-B200-1A_small.webp)
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![GR-B300 missing image](../pics2/300/GR-B300/GR-B300-1A_small.webp)
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![GSR-H1000 missing image](../pics2/1000/GSR-H1000/GSR-H1000AST-1_small.webp)
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![GST-B100 missing image](../pics2/100/GST-B100/GST-B100D-2A_small.webp)
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![GST-B300 missing image](../pics2/300/GST-B300/GST-B300-1A_small.webp)
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![GST-B400 missing image](../pics2/400/GST-B400/GST-B400-1A_small.webp)
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![GST-B500 missing image](../pics2/500/GST-B500/GST-B500D-1A_small.webp)
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![GST-B600 missing image](../pics2/600/GST-B600/GST-B600D-1A_small.webp)
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![GSW-H1000 missing image](../pics2/1000/GSW-H1000/GSW-H1000-1A_small.webp)
[GSW-H1000]
![GW-B5600 missing image](../pics2/5600/GW-B5600/GW-B5600BC-1B_small.webp)
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![GW-B5600 missing image](../pics2/5600/GW-B5600/GW-B5600CY-1_small.webp)
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![GWF-A1000 missing image](../pics2/1000/GWF-A1000/GWF-A1000-1A_small.webp)
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![GWG-B1000 missing image](../pics2/1000/GWG-B1000/GWG-B1000-1A_small.webp)
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![GWR-B1000 missing image](../pics2/1000/GWR-B1000/GWR-B1000-1A_small.webp)
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![MRG-B1000 missing image](../pics2/1000/MRG-B1000/MRG-B1000B-1A_small.webp)
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![MRG-B2100 missing image](../pics2/2100/MRG-B2100/MRG-B2100B-1A_small.webp)
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![MRG-B5000 missing image](../pics2/5000/MRG-B5000/MRG-B5000D-1_small.webp)
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![MRG-B5000 missing image](../pics2/5000/MRG-B5000/MRG-B5000R-1_small.webp)
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![MRG-BF1000 missing image](../pics2/1000/MRG-BF1000/MRG-BF1000R-1A_small.webp)
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![MRG-G2000 missing image](../pics2/2000/MRG-G2000/MRG-G2000HA-1A_small.webp)
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![MTG-B1000 missing image](../pics2/1000/MTG-B1000/MTG-B1000-1A_small.webp)
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![MTG-B2000 missing image](../pics2/2000/MTG-B2000/MTG-B2000D-1A_small.webp)
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![MTG-B3000 missing image](../pics2/3000/MTG-B3000/MTG-B3000B-1A_small.webp)
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G-Shocks with bluetooth can be connected to one of Casios smartphone apps.
Depending on your watch, the app can be used to do things like:
- time syncronisation
- adjust watch setting (eg. time zone, alert, timer, ..)
- syncronise fitness data
- transfer tracks
On some bluetooth models like the GBA-400 you can use your watch, to control the music played on your smartphone.