Transmitter [2024 Model] Bluetooth Transmitter Bluetooth 5.3 Transmitter & Receiver Neck Speaker Japanese Voice Guidance Mongeese Neck Speaker Bluetooth 5.0 Wireless Wearable Neck Speaker 88g Lightweight Neckband Speaker for TV / Hands-free Calling / Sports Zoom / Skype Compatible Waterproof (white) I can't accept it because I don't know which charging cable it is. Instruction manual is missing. I've included a picture of the terminals for reference. I've only tried using it once.