1. はじめに
The Cellet Ultra Slim Folding Wireless Keyboard is designed for convenience and functionality, allowing you to compose correspondence with accuracy and ease across various devices. Its foldable, ultra-slim, and lightweight design makes it an ideal portable accessory for smartphones, tablets, laptops, and computers.

Image: The Cellet Ultra Slim Folding Wireless Keyboard in its unfolded state, ready for use.
2. 重要な安全上の注意事項
- Before using this product, read all the instructions carefully and keep them for future reference.
- This product can be used by children and people with physical, sensory, or mental disability or lack of experience and knowledge if they have been given proper supervision or instruction concerning the use of the appliance in a safe way and understand the hazards involved.
- 監督なしでお子様がクリーニングやメンテナンスを行わないでください。
- 子供が機器で遊ばないように監督する必要があります。
- Keep product away from fire or excessively hot areas.
- For indoor use only. Do not expose to water, excess moisture, or snow.
- Do not place product in or near inflammable, explosive, or hazardous objects.
- Do not damage product with damaged cord or plug.
- Do not use product if it has been damaged in any way.
- 製品を分解しないでください。分解すると安全上の危険が生じる可能性があります。
- Do not throw or shake product.
3.製品と付属品
パッケージには以下のアイテムが含まれています:
- Cellet Ultra Slim Folding Wireless Keyboard
- USB-C充電ケーブル
- ユーザーマニュアル
- Keyboard case (doubles as a smartphone or tablet stand)

Image: The complete contents of the product package, showing the keyboard, USB-C cable, and the keyboard case which functions as a stand.
4.最初に使用する前に
Before using your keyboard for the first time, ensure it is fully charged. Connect the provided USB-C cable to the keyboard's charging port and a power source. Charge the keyboard for approximately 1.5 to 2 hours.
充電インジケータランプ:
- 赤色点滅: Battery low, needs charging.
- Glowing Red: 充電。
- OFF: 完全に充電されました。
5. キーボードの仕様
| 特徴 | 説明 |
|---|---|
| ワイヤレスバージョン | 5.1 |
| 動作距離 | 最大10メートル |
| 変調システム | GFSK |
| 営業巻tage | 3.0-4.2V |
| 動作電流 | <3.0mA |
| スタンバイ電流 | <0.3mA |
| スリープ電流 | <40uA |
| 充電電流 | >200mA |
| 待機時間 | 約100日 |
| 充電時間 | 2時間 |
| リチウム電池容量 | 110mAh |
| 中断のない作業時間 | >40時間 |
| リチウム電池の寿命 | 3年 |
| Lithium Battery Dimensions | 3.0*35*23mm |
| キーフォース | 50~80グラム |
| キーライフ | 3百万ストローク |
| 動作温度 | -10〜+55℃ |
6. Pairing Steps
キーボードをデバイスとペアリングするには、次の手順に従います。
- Open the keyboard. The status indicator light will be on for 3 seconds and then turn off.
- プレス Fn+C (Bluetooth) keys. The Bluetooth indicator light will start blinking.
- Activate Bluetooth function on your device and search for available devices.
- Select "Cellet BKP200 Keyboard" on your device to connect.
- Once connected, the Bluetooth indicator light will turn off.
デバイス間の切り替え:
This keyboard supports connecting to multiple devices. To switch between paired devices, press and hold the Fn key and then short press 1 or 2 key to switch between devices.

Image: A page from the user manual detailing the pairing process and various function keys.
Video: Demonstrates the Bluetooth keyboard for phone, showing how to connect and use it with a smartphone.
7. 操作手順
The keyboard features several function keys and shortcuts for enhanced productivity across different operating systems.
Universal Function Keys:
- Fn + F1: 前のトラック
- Fn + F2: 音量を下げる
- Fn + F3: 音量を上げる
- Fn + F4: 次のトラック
- Fn + F5: 再生/一時停止
- Fn + F6: 言語を切り替える
- Fn + F7: 検索
- Fn + F8: コピー
- Fn + F9: ペースト
- Fn + F10: すべて選択
System-Specific Keys:
- In Android Systems:
- PgUp: 最後のページ
- PgDn: 次のページ
- In iOS Systems:
- 家: 家
- PgUp: Cursor to the top
- PgDn: Cursor to the bottom
- In Windows Systems:
- Web ブラウザ: Web ブラウザ
- ESC: ESC
- PgUp: 最後のページ
- PgDn: 次のページ

Image: The keyboard case is shown functioning as a stand, holding both a smartphone and a tablet for convenient view入力しながら。
Video: A demonstration of the XK04 pocket-size portable keyboard, highlighting its compact design and ease of use in various settings.
8. 清掃とメンテナンス
- Clean the keyboard with a soft, damp 布damp水またはアルコールで強化。
- キーボードを鋭利なものから遠ざけてください。
- キーボードの上に重い物を置かないでください。
- Do not microwave the keyboard.
- Do not force or distort keyboard.
- Keep away from oil, chemicals, or any other organic liquid.
9. 環境に配慮した廃棄
- Pry up plastic top and remove it completely. This action destroys the keyboard.
- 上を裏返し、バッテリーからテープをはがします。
- Separate battery from circuit board.
- 地域の法律に従ってバッテリーを廃棄してください。 残りのキーボード部品はリサイクルしてください。
10。 トラブルシューティング
- キーボードが接続されない: Ensure the keyboard is charged and powered on. Make sure Bluetooth is enabled on your device and the keyboard is in pairing mode (Fn+C). Try resetting the keyboard by turning it off and on, then re-pairing.
- キーが反応しない: Check battery level. Ensure the keyboard is properly paired. Try restarting both the keyboard and your device.
- 充電に関する問題: Use the provided USB-C cable. Ensure the power source is working. Check the charging indicator light for status.
- 不安定な接続: Ensure your device is within the 10-meter operating range. Avoid interference from other wireless devices.
11. 保証とサポート
For warranty information and technical support, please refer to the documentation included with your product or contact Cellet customer service directly. Keep your proof of purchase for any warranty claims.