Specifications: Color: White + Black Size: about 43 x 36 x 9 mm Interface: Standard Apple 30PIN Interface Bluetooth version: V2.1 (compatible with Bluetooth 2.0, 3.0, 4.0) Bluetooth protocol: A2DP HSP HFP OPP OBEX DUN Frequency Range: 2.4GHZ-2.4835GHZ Working voltage / current: 3.3 to 4.2V/30mA Chip Model: OVC3860 stereo chip (CSR8645 dual stereo) Effective distance: 10 meters ( 5 meters for Apple and some other metal shell phone) Compatibility: Philips, BOES, Yamaha, JBL, JVC, Panasonic, Zeppelin, Teac and many other international brands sound system with Apple Universal Dock. Connection method: Stick receiver into the speaker with APPLE 30 PIN interface, wait until red and blue light flash alternately. That means it's in pairing state. Search receiver name on your device, entering connecting password 0000. After successful connection, blue indicator will slowly flash. Philips: DS-1212, AD330/93, DCM3060/93, MCD-322, DCM-8000, DCD3020/96, DCD-7010, DS-290YAMAHA: TSX-70BOSE: LIFESTYLE V35, 135, SOUNDDAK 1, SOUNDDAK 2JBL: RadialPanasonic: SC-HC35GKJVC: RD-N1Pioneer: XW-NAVIK-K, X-SMC1, XDS501-R, XDS301-RNote: Please make sure whether your speaker supports external Bluetooth play, many suitable plugs are not compatible, because only simultaneously supporting external Bluetooth play can use this product. Package Included: 1x MEMTEQ Bluetooth 30 Pin Music Receiver
