Description:With the adoption of Bluetooth-compatible5.0 technology, this wireless audio adapter has fast and stable transmission as well as noise-reduction and lossless sound effect.This wireless audio adapter supports Bluetooth-compatible transmission and reception, hands-free calling, music play and navigation, which is multifunctional and practical.Made of ABS, this wireless audio transmitter is eco-friendly and durable to use. It is plug and play, which is convenient to use.The length of this wireless audio transmitter is 7.5cm, width is 2.5cm and thickness is 1.2cm.This wireless audio transmitter is suitable for speaker, amplifier, car speaker, TV set, desktop, laptop, projector, sound console, electric organ and so on. It supports TF card playback and it can also serve as card reader and computer external sound card, which is multi-purpose and useful.Item Name: Bluetooth-compatible TransmitterMaterial: ABSModel: K15-ProBluetooth-compatible Version: 5.0Battery Capacity: 170mAh(Included)Listening To Songs: 4-5HMusic Format: MP3/APE/FLAC/WAV/WMAPower Supply Mode: USB/Car Charger/Charger/Computer Input Parameters: DC 5C/2.1C (Max)Transmission Distance: 10m Without BarriersInterface Type: Aux+USB InterfaceSupport Protocol: HFP/A2D/AVCTPFeatures: Plug Play, Mini, Quick TransmissionSize Details: 7.5cm x 2.5cm x 1.2cm/2.95" x 0.98" x 0.47" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.Package Includes:1 x Bluetooth-compatible Transmitter