Sony Ericsson Desktop Holder with Speaker, model SOY01PUA. ◯ Brand: Sony Ericsson ◯ Model: Charging Dock with Speaker ◯ Connection: USB port ◯ Color: Black Compatible models: Walkman Phone, Premier3 This is a rare desktop holder model with a speaker. There are some scratches and minor stains due to age, but it is generally in good condition. Wattage: ~10W Voltage: ~5V Voltage: ~5V