[Easy Control & Wearable]The bluetooth remote control has buttons for easier operation, allowing you to control your phone even while wearing gloves or mittens. The bluetooth remote control is adjustable, you can wear it on your wrist, or you can use the sticker to where you want, convenient and reliable [Strong Compatibility]The bluetooth controller is compatible with all smartphones, music apps, headphones (wired and wireless) and bluetooth speakers [Multi Functional]You can use the Bluetooth phone remote control to start your digital assistant, answer calls, control your music and take selfies remotely [Weather Resistant]This smartphone remote control is waterproof and durable enough to withstand snowy slopes, rain soaked roads, and wet bathrooms [Long Battery Life]This bluetooth photo clicker helps save phone battery life in cold weather and keeps working through every ride, powder sesh, rugged hiking adventure Specification: Item Type: Remote Control Battery Model: Li ion battery 402030 (built in) 450mAh Capacity Bluetooth Version: V5.0 Remote Control Distance: . 10m / 32.8ft Characteristic: 1. Small and exquisite, easy to carry with you 2. Mobile phone control: answer the call, hang up the call, play up, down, pause, volume up, volume down. 3. It can be applied to car music control, bicycle music control, motorcycle bicycle control, skiing. 4. IPX4 waterproof level size: 10.6 x 4 x 1.2cm Material: ABS colour: Black Package Contents: 1 x Bluetooth Remote Control 1 x usb charging cable 1 x English instructions Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.