✔ BLUETOOTH 4.2 TRANSMITTER (not a Bluetooth receiver) - Connect to audio output devices such as TV, iPod, CD player, PC, MP3/MP4, and transmit audio to your Bluetooth stereo, headsets, headphones and speakers | ✔ USER-FRIENDLY - Effective diameter range around 10 M /32ft(IN OPEN AREA); Easy pairing with Bluetooth stereo headset, headphones, speakers and other Bluetooth stereo receiving devices | ✔ EASY TO USE - Totally plug and play, the device is powered by USB and requires no special software or drivers. | ✔ TV TRANSMITTER - Connect the Bluetooth transmitter to your TV audio jack into the TV and transmit the sound to the Bluetooth headset, just enjoy the shows at late night without disturbing your loved ones, isn’t awakened by any TV sound. NOTE: It does not support the samsung smart TV | ✔ With compact design, it can be used in small space. Audio interface: 3.5 headphone jack. Product size: 15.5 * 10 * 2.5 cm

【Transmission】 : The transmission rate is 3 (Mbps), and the longest transmission distance is 10m. Note: This Bluetooth is suitable for older speakers, and 99% cars (some cars do not support usb Bluetooth input, so you need to use its AUX input mode) | 【Operation is simpler】:Insert the usb bluetooth receiver and connect your device with it, the name is "H222" immediately transform your device into a fashionable wireless bluetooth device. | 【 Portable design 】: Small and delicate, portable features let you carry around, it does not need to download APP and plug and play features easily help you to play you phone music | 【 Technology upgrade 】:Bluetooth 5.3+EDR, support A2DP,AVRCP, AVDTP HFP and HSP, let you enjoy high quality music transmission and more stable Bluetooth pairing | 【Wide range of applications】: used in home theaters, mobile phones, karaoke players, speakers, stages, etc.

Key Size: 7/32" standard hex dogging key, total 7.1cm long. | Good solid metal, well made. | Package: 10 standard hex dogging keys | It’s very convenient because of the loop to put it on a key ring, ideal size to make it stay well on the key chain. | Fit for end cap, push bar panic exit devices, dogging assembly, dogging doors, church, bar, restaurant, security department or other exit devices which with a door lock ware at this size.

【Transmission】 : The transmission rate is 3 (Mbps), and the longest transmission distance is 10m. Note: This Bluetooth is suitable for older speakers, and 99% cars (some cars do not support usb Bluetooth input, so you need to use its AUX input mode) | 【Operation is simpler】:Insert the usb bluetooth receiver and connect your device with it, the name is "H222" immediately transform your device into a fashionable wireless bluetooth device. | 【 Portable design 】: Small and delicate, portable features let you carry around, it does not need to download APP and plug and play features easily help you to play you phone music | 【 Technology upgrade 】:Bluetooth 5.3+EDR, support A2DP,AVRCP, AVDTP HFP and HSP, let you enjoy high quality music transmission and more stable Bluetooth pairing | 【Wide range of applications】: used in home theaters, mobile phones, karaoke players, speakers, stages, etc.

【Transmission]】: The transmission rate is 3 (Mbps), and the longest transmission distance is 10m. Note: This Bluetooth is suitable for older speakers, and 99% cars (some cars do not support usb Bluetooth input, so you need to use its AUX input mode) | 【Operation is simpler】:Insert the usb bluetooth receiver and connect your device with it, the name is "H222" immediately transform your device into a fashionable wireless bluetooth device. | 【 Portable design 】: Small and delicate, portable features let you carry around, it does not need to download APP and plug and play features easily help you to play you phone music | 【 Technology upgrade 】:Bluetooth 5.3+EDR, support A2DP,AVRCP, AVDTP HFP and HSP, let you enjoy high quality music transmission and more stable Bluetooth pairing | 【Wide range of applications】: used in home theaters, mobile phones, karaoke players, speakers, stages, etc.

[Transmission] : The transmission rate is 3 (Mbps), and the longest transmission distance is 10m. Note: This Bluetooth is suitable for older speakers, and 99% cars (some cars do not support usb Bluetooth input, so you need to use its AUX input mode) | 【Operation is simpler】:Insert the usb bluetooth receiver and connect your device with it, the name is "H222" immediately transform your device into a fashionable wireless bluetooth device. | 【 Portable design 】: Small and delicate, portable features let you carry around, it does not need to download APP and plug and play features easily help you to play you phone music | 【 Technology upgrade 】:Bluetooth 5.3+EDR, support A2DP,AVRCP, AVDTP HFP and HSP, let you enjoy high quality music transmission and more stable Bluetooth pairing | 【Wide range of applications】: used in home theaters, mobile phones, karaoke players, speakers, stages, etc.