* Display: 1.83" TFT display (240x284 resolution) * Bluetooth Standard: Ver. 5.1 (BLE) * Output: Class 2 * Frequency: 2.4GHz band (2402MHz to 2480MHz) * Communication Range: Approximately 10m * Battery: Lithium polymer rechargeable battery (250mAh 3.8V) * Operating Time (approximate): 7 to 10 days (shorter if speaker/microphone is enabled) * Charging Time: Approximately 2 hours * Water and Dust Resistance: IP68 (excluding the dedicated USB charging cable and included band) * Supported Languages: * Japanese * English * Simplified Chinese * Traditional Chinese * Korean * German * Russian * Spanish * Italian * French * Portuguese * Swedish * Turkish * Compatible OS (CharaLife): Android 9.0 or iOS 12.0 or later * Size (body): Approximately W38 x D44 x H9 (mm) (excluding band) * Weight: Approximately 40g to 45g (varies by model) (including body band) * Operating Temperature Range: 0°C to 45°C * Materials: * Housing: Zinc alloy + PC + ABS * Band: Zinc alloy + microfiber leather Product Number: 4511677139420