Wireless headphones R-PHONES TWS MT3589W

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