Philips BT3000W Bluetooth Wireless Stereo Speaker with Built-in microphone for calls, 4 x AA battery, 5W output, UK, 3 pin AC adapter : Amazon.co.uk: Electronics & Photo
Philips BT3000W Wireless Stereo Speaker Bluetooth Streaming 3.5mm Jack for sale online | eBay
Amazon.com: My Theater Wearable Neckband Bluetooth Speaker Universal, Black (EM-W100UBK) : Electronics