Atill Portable Bluetooth 4.1 Receiver A2DP Wireless Multipoint Connection Audio Music Adapter with 3.5mm AUX Port and Hands Free Calling for Home Audio Music Streaming Sound System(2nd Generation) Excellent Bluetooth Receiver: Bluetooth 4.1 combining A2DP comes with stable connectivity and remarkable signal stability. The wireless working distance can be up to 30 feet in open space. Smooth call conversation and non-stop and clear music streaming creates enjoyable listening experience. Two-link: Enhanced Bluetooth signal can reach up to 30 feet in open space without obstacles and can be connected with two Bluetooth devices simultaneously. Universal Compatibility: Fully compatible with iPhone, iPod, iPad, Tablets, Other Smartphone, most speakers, TV, and radio, easily plugs into any powered PC speakers, Car & Home Stereo Sound System and A/V receivers using RCA or 3.5 mm jacks. Small and Simple: Its outline feels like a mini iPhone 6, petite and charming, it doesnt need much space in your car; Simple buttons design, easy operation, you can get away from complicated operation of some other Bluetooth receivers. Service & Warranty: You can get full support from Atill shop. Our service including 12 month worry-free warranty, a replacement or a full refund for build defects within 30 days of purchase ensures your enjoyment of purchase in our shop.