Blackstar's Bluetooth ToneLink is the easy way to turn any amp with a line in, into a wireless stereo audio receiver.Tone:Link OverviewEasily add Bluetooth audio to any amp with a line in.Only a small number of amps sold have Bluetooth as standard, which makes the Tone:Link the perfect accessory for any musician. Priced to sell in volume, they are an ideal add-on sale.Listen to audio or jam along with tracks without the inconvenience of cables. It is designed for guitar amps, PAs, mixer desks, AV systems, home stereos, headphones, car or motorcycle speakers, boats and more. If used with phone it is an easy to use, hands-free Bluetooth speaker for vehicle systems.• Two-link: can connect two Bluetooth devices at the same time• Long distance reception, more than 20 metres in open spaces without obstacles• Super clear audio• Supports mobile, laptop, phone, tablet, or any device with compatible Bluetooth• Built-in Li-battery with low power consumption for long use• Cables and connectors supplied• Full colour display packaging• Working time: Up to 8 hours music playback or continuous with Micro-USB charger• Compact dimensions: 50 x 25.5 x 11 mmTwo:LinkYou can connect two Bluetooth devices at the same time to the Tone:LinkVolume OutputYou are able to adjust the output volume on the Tone:Link directly using the plus and minus buttons on the sidePower / Play and Pause ButtonYou are able to answer/reject calls and also play/pause music by using the large centre button on the device (this button also doubles as the power button).Multiple AttachmentsThe box includes: 1 x TONE:LINK Bluetooth music receiver, 1 x Micro USB power cable, 1 x 3.5mm to 3.5mm audio cable, 1 x 3.5mm to 3.5mm audio adapter, 1 x 3.5mm to 6.35mm (¼") audio adapter.Specs:Bluetooth Specification Bluetooth v3.0 + EDRBluetooth Range Up to 33' / 10 mBattery & Capacity Lithium-ion170 mAhWorking Time Up to 8 hours music playback or continuous via micro-USB chargerCharging Input 1 x micro-USB portAudio Output Connector 1 x TRS 3.5 mm / 1/8"Controls Skip (Press Up/Down)Volume (Hold Up/Down)Play/PausePower On/OffAnswer/Reject CallsLED Indicator Pairing Mode: Slow flashesSuccessful Pairing and Connection: Remains illuminatedDimensions (W x H x D) 2.0 x 1.0 x 0.4" / 50 x 25.5 x 11 mmWeight 0.2 lb / 90 gMake Any Line-in Bluetooth Compatible.