| Brand | Callmate |
| Color | Multi-coloured |
| Manufacturer | Callmate |
| Model | SWV21HAS |
| feature | 4.1 Bluetooth Headphones Wireless Headset Stereo Neckband Sport Earbuds with Hi-Fi Stereo Built-in Mic for Sports Workout. (1). Before you start using the headset, please use the USB charge cable to charge it first. (2). Push calling button for 2-3 seconds to start device, you will see the red and blue light flash alternately.(3). Make sure you turned on the bluetooth on your phone, search "SM818" on it. Once the devices are paired, you will hear "Your headset paired". (4). Select"SM818' and cli |
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