Description 2-in-1 Companion This Bluetooth Audio Transmitter & Receiver is the ideal wireless audio solution for a wide range of applications. Broadcast audio output from your TV or old portable CD player to wireless speakers on the other side of the room without cumbersome cable management. Use the wireless receiver function to upgrade your audiophile home stereo system and wirelessly stream music from your phone or tablet. Bluetooth 4.1 Experience The latest in Bluetooth audio with A2DP, improved connection stability, faster pairing, and more efficient power consumption from connected devices (like your phone) when wirelessly streaming audio. Wireless range is up to 33 feet for transmitter and receiver functions. Compatible with your device Compatibility Audio devices with 3.5mm audio jack or RCA audio input/output ports, and Bluetooth compatible devices like smartphones, tablets, and laptops. 24 Month Warranty Whether it's your first AUKEY purchase or you're back for more, rest assured that we're in this together: All AUKEY products are backed by our 24 Month Product Warranty. Specifications: Technologies: v4.1, A2DP, AVRCP, HSP, HFP Wireless Range: Up to 33ft (10m) Use Time: Up to 8 Hours Standby Time: Up to 160 Hours Charging Time: 2 Hours Power Input: DC 5V Battery Type: Rechargeable Li-Polymer (600mAh)