This Bluetooth headset, compatible devices with Bluetooth, such as mobile phone. Bluetooth V4.1 version, can be simple pairing safely. <br><br><strong>Features:</strong> <br>Bluetooth headset, compatible devices with Bluetooth, such as mobile phone. <br>Sporty idea injected, light in weight and easy to carry. <br>Ergonomical design, comfortable like you are wearing nothing. <br>Two wearing ways at your choice with adjustable headband. <br>Detailed voice instruction guiding your operation. <br>Rubber coating, comfortable to wear. <br>Superb sound quality. <br>Built-in microphone. <br>Bluetooth V4.1 version, can be simple pairing safely. <br><br><strong>Specifications:</strong> <br>Brand: SYLLABLE <br>Model: D700 <br>Color: Green <br>Bluetooth: V4.1 <br>Material: ABS <br>Frequency range: 2.4-2.48GHz <br>Effective range: ≧ 10m / 33ft <br>Battery: 60mAh <br>Product weight: Approx. 19g / 0.67oz <br>Package size: Approx. 17.4 * 12.7 * 3.5cm / 8.7 * 7.9 * 3.0in <br>Package weight: Approx. 96g / 3.38oz <br><br><strong>Package List:</strong> <br>1 * Bluetooth Headset <br>1 * USB Charge Cable <br>4 * Earbuds <br>1 * User manual (English)