Features: Built in battery for portable use up to 8 hours use enjoy your favorite wireless content all the time. fast-charging it through the USB cable. Can be paired to two Bluetooth Headphones or speakers and streams audio to both of them simultaneously Now you don\/'t have to pay high premium to get aptx LL-enabled wireless headphones or speakers; instead your wired headphones or speakers can be easily turned into wireless audio devices with low latency new and high quality Nowyou can enjoy high quality music wirelessly or listen to late night shows without disturbing your loved ones while they sleep 2-in-1 Bluetooth Transmitter Receiver with aptX \u0026 aptX Low Latency. supports the latest Bluetooth V4.2 Specification: Bluetooth Compliance: Bluetooth V4.2 A2DP and AVRCP Supports: Dual Stream Charging Time: 2 hours ; can be used while being recharged Transmit Range: up to 33ft \/ 10m Charging input voltage: DC 5V Working Time: 10H Power Supply: 3.7V Codec: aptX Low Latency aptX SBC Output: DC 12V 30A Dimension: 5 x 2.6x0.9cm(2x1x0.3inches) Package Includes: 1 x Bluetooth Transmitter\/Receiver 1 x USB charging Cable 1 x User Manual 1 x 3.5MM Audio Cable