Feature:1. Turn nonBluetooth universal speaker with 30 pin connector into wireless Bluetooth speaker, enjoy your favorite songs freely (please type "0000" if asked for password),then you can release for IOS player permanently.2. No battery in product, powered by 30 pin base speaker, easy to operate, plug and play.3. Support for A2DP V1.2, compatible with all A2DP stereo Bluetooth transmitter adapter (including any Bluetooth version for Android/ IOS system or phone of any operating system), everywhere.4. 30 pin Bluetooth music receiver is lightweight, portable,easy to carry, small size.5. Advanced version of Bluetooth 5.0 chip, high music quality, can help you enjoy low delay music playback fun.Specification:Condition: 100% Brand NewItem Type: 30PIN Bluetooth Audio ReceiverMaterial: ABSColor: BlackQuantity: 1PCSMain Chip: BK3266.Bluetooth Specification: Bluetooth V5.0Support Bluetooth Protocol: A2DP AVRCPReceive Connection: OneWorking Voltage: DC 5VWireless Transmission Range: > 10 m/32.8ftTransmitted Power: CLASS2Frequency Range: 2.4GHz-2.480GHzExternal Interface: 30 Pin Female Docking Audio PortWeight: Approx.25g/0.9ozPackage List: 1 x Receiver 1 x User Guide