Connector: Mini USB, 3.5mm plug Bluetooth Protocol: A2DP Bluetooth Edition: V3.0 EDR Bluetooth Transmission Distance: 10m USB Charging Cable (Length 50cm) 3.5mm Audio connecting male to male plug User Manual Product Size: 5.3 * 2.5 * 1 cm Product Weight: 12 g Turns the traditional wired speaker to wireless bluetooth speaker. Almost all speaker equiped with 3.5mm audio input are compatible Easy to use and connect via bluetooth on “BT218”. Support automatic memory connection. Mini size & light weight makes it easy to carry. High quality stereo transmission It can be used as a bluetooth car kit which has both music and hands-free function. Support A2DP stereo profile. Working Time: 8-10H
