If you are a lover of computer science and electronics , you like to stay up to date with technological news and you do not miss any detail, buy the CoolBox COO-BTALINK 160mAh Bluetooth Transceiver at the best price. Color: Black Performance: 160mAh Voltage: 5V Charging time approx.: 2 hours Operating time approx.: 8 hours Approx. dimensions: 3.3 x 4.5 x 1 cm Includes: 3.5 mm jack Cable USB Suitable for multiple devices at the same time: 3 Range: 15m Connectivity: Bluetooth Type: Transmitter