_x005f_x000D_ B9 2 in 1 Wireless Bluetooth-compatible Stereo Audio Adapter Transmitter and Receiver _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Specifications: _x005f_x000D_ Proudct Number: B9 _x005f_x000D_ Transmission Speed: 4Mbps _x005f_x000D_ Chip: CSR57E6 _x005f_x000D_ Supported Agreements: A2DP, AVRCP, HFP, SPP, HID _x005f_x000D_ Standby Current: 8H _x005f_x000D_ Bluetooth-compatible Distance: >10M(in an open space) _x005f_x000D_ Way of Charging: Micro USB 5V/0.5A _x005f_x000D_ Output Connection: 3.5MM Stereo Port _x005f_x000D_ Input Connection: 3.5MM Stereo Port _x005f_x000D_ Compatibility: Android, IOS phones and Pads,Bluetooth-compatibledevices, and speakers with audio input interfaces _x005f_x000D_ Size: 60 X 35 X 5mm/2.36 X 1.38 X 0.20" _x005f_x000D_ Package Size: 105 X 70 X 35mm/4.13 X 2.76 X 1.38" _x005f_x000D_ Gross Weight: About 78g _x005f_x000D_ Net Weight: About 20g _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Features: _x005f_x000D_ Auto searching and connecting withBluetooth-compatibledevices are supported, as well as AUX IN/OUT. _x005f_x000D_ Any devices withBluetooth-compatibleand speakers with audio input interfaces are supported , realizing a wireless audio transmission. _x005f_x000D_ Built-in AEC echo cancellation and ANC noise reduction circuits enable an astonishing stereo and purer sound quality; built-in battery provides a longer working time. _x005f_x000D_ It is more stable and faster to match  because of built-in enhancing signaltransmission circuits. _x005f_x000D_ Connecting way is easy without any drives or apps to download. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 X Bluetooth-compatible Adaptor _x005f_x000D_ 1 X Micro USB Cable _x005f_x000D_ 1 X 3.5MM Audio Cable _x005f_x000D_ 1 X Manual Auto searching and connecting withBluetooth-compatibledevices are supported, as well as AUX IN/OUT. Any devices withBluetooth-compatibleand speakers with audio input interfaces are supported , realizing a wireless audio transmission. Built-in AEC echo cancellation and ANC noise reduction circuits enable an astonishing stereo and purer sound quality; built-in battery provides a longer working time. It is more stable and faster to match because of built-in enhancing signaltransmission circuits.