Description This wireless receiver can widely be used on your computer, laptop, home system and so on. It has super portable Audio-streaming power that allows you to this transmitter and receiver into your backpack or laptop bag and take it on-the-go without the slightest effort. Features - Color: Black.- Material: Plastic.- Size: About 9.8 x 5.8 x 1.3 cm/3.86x2.28x0.51inch.- Made of premium material, very sturdy and durable.- Extremely portable, lightweight wireless transmitter and receiver is an wireless audio solution for a wide range of situations and uses.- Transmitter mode: wirelessly streams audio from your non- TV, home stereo system, or CD player to your headphones or speakers.- Receiver mode: wirelessly streams audio from your -enabled phone, tablet, or computer to your wired stereo, speakers, or headphones.- Widely be used on your computer, laptop, home stereo system, headphone, smartphone, Mp3 player, CD player, etc. Specifications Support: A2DP, AVRCP, HFP, SPP HIDReceive working current: ≤ 43MATransmitting working current: ≤ 60MAStandby current: 18MATransmission rate: 21 (Mbps)Working frequency: 2.4 (MHz)Wireless standard: 5.0.Built-in battery: polymer 600MAHCharging current: 300MAEndurance time: 8HWireless distance: 10M (open space)Charging method: Micro USB 5V / 0.5AOutput connection: 3.5MM stereo interfaceInput connection mode: 3.5MM stereo interfaceCompatible: Android, IOS mobile phones and PAD, and all audio devices, audio equipment with audio input interfacePacking list: 1 x wireless transmitter/receiver kit