for KPG KPG27D, KPG29D, KPG48D, KPG49, KPG55D, KPG56D, KPG62D, KPG66D, KPG69D, KPG70D, KPG74D, KPG75D, KPG77D, KPG82D, KPG87D for -D7, -D7A, -D7AG, -D7E, -F6, -F6A, -F7, -F7E, -G71, -G71A, -G71E, -K2, -K2A, -K2E, -K2ET, -21, -21AT, -21BT, -22, -22A, -22AT, -22E, -26, -27, -28, TH31AT, TH31BT, TH41AT, TH41BT, -42, -42A, -42AT, -42E, -45, -47, -48, -55, -75, -77, -G71, -205, -215, -225, -235, -235A, -235E, -315, -415 for TK TK-208/, TK-220/320, TK- / 340, tk-240D / 340D, TK- / 348, TK-250/350/353, TK-360, TK / 360G, TK- / 370, G / 370G, TK-272G / 372G / 373G, G tk / 378G / 388G Pro-Talk, TK-430/431, TK-2100 / 3100 Pro-Talk, TK-2102/3102, Pro-Power, TK-2107/3107, Pro-Talk, TK2207, TK3207, TK-2160/3160 for Almost All: UV5R, UV5RB, UV5RC, UV5RD, UV5Replus, UV5R+, A52, UV8, UV8D, UVB5, UVB6 - / 490/320 / V6 / V7 / / 658/520/530 / 999/888/777/666 S / 777 S / 888 S / 388A / F8+ / A5 / for HYT TC286, TC386, TC2685, TC3865, TC6685, TC278, TC378, TC388, TC2100, TC2088 for phone Features: Connects with walkie talkie or mobile phone Suitable for both ears Portable and lightweight, easy to carry Wireless connectivity K-head design Simple button operation Noise reduction technology Low power consumption Large capacity battery Ergonomic fit for comfortable, painless wear USB charging support Loud and clear voice transmission Compatible with all K-Plug walkie talkies, including most models with a two-pole plug (pin diameter 3.5mm and 2.5mm, 8mm double pin inside, 11mm 2-pin pitch) Compatible with various brands such as QUSHENGAN, LINTON, and other two-pin plug models Color: Black Material: Plastic Bluetooth Instructions: 1. Press and hold the top button on the Bluetooth adapter until the LED alternately flashes red and blue. 2. Press and hold the Bluetooth headset power button until the LED alternately flashes red and blue. 3. When both the adapter and headset LEDs flash blue, pairing is successful. Package Contents: 1 x Bluetooth Headset 1 x Bluetooth Adapter (K type) 1 x USB Charging Cable Note: Light reflection and different display settings may cause slight color variation between the image and the actual item. Measurement may vary by +/- 1-3 cm.