SANLEPUS B1 Led Display Bluetooth Earphone Wireless Headphones TWS Stereo Earbuds Waterproof Noise Cancelling Headset With Mic gear Reversible design lets you display

Reversible design lets you display different colors and moods

Because of that

Add 1 to 3 inches to your dog’s neck size   Generally speaking you should add 1 inch for small dog breeds (less than 10 pounds)

Connectors: 3

5 AA Battery (NOT Included)

SANLEPUS B1 Led Display Bluetooth Earphone Wireless Headphones TWS Stereo Earbuds Waterproof Noise Cancelling Headset With Mic gear Reversible design lets you displayBrand Name: SANLEPUS Vocalism Principle: Hybrid technology Control Button: Yes Active Noise Cancellation: Yes Communication: Wireless Volume Control: Yes Style: Ear Hook Sensitivity: 1205dBdB Wireless Type: Bluetooth Is wireless: Yes Line Length: 0Nonem Support APP: No Function: for Video Game Function: Common Headphone Function: For Mobile Phone Function: HiFi Headphone Function: Sport Number Of Drivers: 2 Plug Type: NONE Package List: User Manual