GEE·D GD-B025 Portable Bluetooth v3.0 Speaker w/ Hands-Free - Black
S/N ratio: ≥90dBm - Output power: 1 x 3W - Charging Voltage: 5V ±0.25V - Built - in lithium battery - AUX input - Resistivity: 4ohm - Hands - free call function - Works with any Bluetooth enabled device - Up to 10 meters reception distance - With intelligent voice prompt - Bluetooth version:3.0+EDR with NFC function