Enable Your Traditional Speakers with Bluetooth FunctionThis bluetooth receiver for home stereo connects any bluetooth-enabled smartphones, tablets and computers to powered traditional speakers or even your A/V receiver with 3.5mm or/and 2RCA audio cable.It allows users to stream music directly from Bluetooth devices to their favorite speaker.Stream Music on 2 SpeakersIt is with both 3.5mm and 2RCA(Left+ Right Sound) connection options, and allowing you to enjoy music wirelessly on 2 speakers simulteneously.Advanced Bluetooth V4.1 + EDRBluetooth v4.1 music receiver can provide higher quality and much clearer stereo sound than old Bluetooth v3.0/2.0 receiver.EDR is short for 'Enhanced Data Rate', which ensures a faster data transmission rate and much more stable connection between a Bluetooth device and the Audio Receiver.Recharge and ResumeThis bluetooth receiver is with built-in 200mAh battery, allowing it to provide up to 8 hours of continuous quality music playback for car systems, home theaters, smart phones, and tablets. With a quick recharge time of only 2 hours, it's easy to recharge and resume the music.SpecificationBluetooth Version: 4.1Output: Female R/L audio and 3.5mm audioFrequency Response: 20Hz-22kHzOutput Power: 25mW, SNR: 100dB RL=16ΩBattery Capacity: 3.7V/200mAOperating Time: up to 8 hours and Micro USB for power supply(5V)Transmit Range: Up to 10m/33ftApproximate Charging Time: 2 hoursDimension: L66.6xW66.6xH24 (mm)Package ContentsBluetooth Receiver x1; Micro USB Charge Cable x1; 3.5mm Audio Cable x1; Manual x1