Adapt Go is a Portable Bluetooth Transmitter & Receiver That Allow You to Turn Any Wired Audio Product to Bluetooth Anable or Trun Any Non-Bluetooth Terminal to Bluetooth Compatible. Compart Size & Easy to Carry Around. Pratical Gadget During Traveling to Turn the Entertainment System on Aeroplane & Train to Work with Your Nice Cordless Earbuds & Headphones. Bluetooth Version is V5.1, Support Up to 10 Meters Connection Distance. with 300Mah Rechargeable Polymer Li-On Battery Can Last Up to 8 Hours After Single Charged. Charge Input is 5V & 200Ma & Will Take Approximately 2 Hours to Charge the Stylus From 0% to 100%. Working Frequency is 2.402Ghz-2.480Ghz. Delivered in Our Tekio Premium Kraft Box with Colorful Sticker. Minimum Quantities Apply.