Wireless headphones R-PHONES TWS MT3589K

Battery type: Built-in battery | Wearing style: In-ear | Charging source: Battery | Manual: Yes | Bluetooth: Yes | Carrying case: Yes | Connectivity technology: Wireless | Product type: Headphones | Battery technology: Lithium-Ion (Li-Ion) | Rechargeable battery: Yes | Noise-canceling: No | Warnings: Regularly check the condition of the batteries to prevent leaks. | Warnings: Keep away from children. | Warnings: Do not use near sources of heat or flame.