Description:Featuring Bluetooth-compatible 5.1 technology, this Bluetooth-compatible adapter can achieve stable connection and transmission distance up to 20m.It is worthwhile to buy this Bluetooth-compatible adapter because it can solve the problem of computer original sound card damage.Made of high quality ABS material, this product is lightweight and durable to use.The length of the product is 4cm, the width is 1.8cm, and the height is 1cm.It is suitable for all kinds of speakers, desktops, laptops, TVs, amplifiers, projectors, etc.Item Name: Bluetooth-compatible ReceiverMaterial: ABSProduct Model: K10 ProBluetooth-compatible Version: V5.1Chip: AC6951CTransmission Distance: 10-20 Meters Signal Without ObstaclesInterface Type: 3.5mm AuxInput: DC 5V-2.1A(MAX)Support Protocol: A2DP/AVRCPUsage: Driver-freeFeatures: Plug and Play, Stable Signal, Low LatencySize Details: 4cm x 1.8cm x 1cm/1.57" x 0.71" x 0.39" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bluetooth-compatible Receiver1 x Audio Cable1 x User Manual