Side by Side Comparison of: Mpow vs Etekcity

MPOW Brand Certified: Top-Brand Bluetooth Accessories for Smartphones.

Magical Function: Change Non-bluetooth speakers into bluetooth-enabled.Play music wirelessly from your Bluetooth-capable smartphone, iPod Touch, iPhone, iPad, Android.

Great Hardware: Bluetooth 4.0 and apt-X tech ensure stable signal and hight-fidelity stereo sound. And Latest NFC function allow tap-and-pair and tap-and-connect the receiver with NFC-equipped Android, Windows 8 and Nokia phones

Compatible with most speakers: Plug the receiver into any A/V receiver, stereo system, or speaker through standard RCA or 3.5 mm jack.

Superior wireless performance; Transmit up to 30 feet away with line of sight. ( Note: 1/Need to provide charging when using it. 2/There is Protective film on its surface which look like scratches, Pls Rip it off when receiving )

STREAM WIRELESSLY: Enables traditional speakers with 4.0 bluetooth for wireless audio streaming from a range of 33 feet.

RAPID RECHARGE: Runs for an extended period of up to 10 hours on a full charge. No interruptions, no problems.

VERSATILE EXTENSION: Easily adapt via A/V, RCA, and 3.5mm jack input. Plays well with home theaters, stereo systems, and car stereos.

MINI DESIGN: Compact and lightweight build to easily tuck away and take on your travel

NFC-CAPABILITY: Amplify the audio of your NFC-capable smart devices with a simple hand gesture. Simply ouch your smartphone or tablet to the bluetooth adapter and connect.