Wireless headphones R-PHONES TWS MT3589W

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