Receiver amplifier

Input Voltage: DC 5 V Audio Out: L R G (it must be connected to amplifier) Receive audio signals from mobile Extraordinary Range 10 meters. Smallest and Powerful Best for any kind of amplifier. Dimensions: 24mm x 15mm x 1mm

Technical Specifications:Bluetooth Version: Bluetooth 5.0Battery Capacity: 620mAhWorking Duration: Up to 24hrsAudio Codec: TX Mode: aptX Low Latency, aptX, SBC; RX Mode: SBCBluetooth Protocol: A2DP/AVRCP/HFP/HSP Dual Mode Wireless Adapter: Use Transmitter or Receiver mode to add wireless connectivity to your wired device and stream music wirelessly Seriously Accurate Sound: Bluetooth 5.0 and aptX Low Latency codec provides high fidelity lag-free audio as clear as the wireless source (Note: Only TX mode supports aptX Low Latency codec) More Flexible Connection: 3.5mm audio jack and digital optical jack for audio input and output connects to a multitude of compatible devices like wired/wireless headphones, speaker, amplifier, TV, laptop, gaming console Dual Link Music Streaming: Connect two phones to one wired speaker to switch music source or connect two wireless headphones to the same TV or laptop to share the music you love Constant Streaming: Rechargeable battery stores up to 24hrs of use from one charge, great for several days use; connect the wireless adapter to the power source to stream music while charging

BT：4.2+5.0 Dual-mode Bluetooth antenna：Hs6620 + bk3266 all need welding wire Heart rate sensor&Temperature Sensor：Heart rate and temperature in one Charging mode：wireless charging Microphone：YES Side key：Knob button/Common on / off key and function key Horn&Receiver：YES,Two in one loudspeaker and handset Power amplifier：YES Battery capacity：150 mah Multi-sport：Open and close jump、Run、situp、Football、Basketball、Badminton、Mountaineering etc. Message Push Language：Simplified Chinese、All European countries APP System：IOS 9.0 and above, Android 5.0 and above