Dpofirs Hidden Earphone Wireless Earpiece Headset, in Ear Earpiece, GSM Calling/Bluetooth Mode, for Stage Performances, Conference Hosting, Guide Commentary

2. Plug and Play Convenience: Simply insert the battery, turn the switch to the ON position, and use it. For GSM mode, just insert the small SIM card to make calls; for Bluetooth mode, search and connect to "PD Ear" for quick setup. 3. Clear Sound Quality: Equipped with premium speaker units, this earpiece delivers clear and loud sound. The GSM network provides stable communication, while Bluetooth connectivity ensures smooth conversations. 4. Various Settings: Ideal for stage performances, conference hosting, and guide commentary, this earphone fulfills the requirements for professional communication and information reception. 5. Comfortable Wearing: Lightweight and compact, this In Ear earphone offers a high level of comfort, making it easy to wear for extended periods without feeling burdened. Spec: Item Type: In Ear Earpiece Material: ABS GSM Battery: Li Battery, Capacity: 660mAh (Built in) Earphone Battery: 2 x Batteries, SR416SW, 337mAh (Ship With) How to Use: See the manual. Package List: 1 x Bluetooth GSM Module 1 x In Ear Earpiece 1 x Charging Cable 2 x Battery 2 x Storage Box 1 x Instruction Manual Notice: Whether using GSM mode or Bluetooth mode, please insert the battery into the headset first.

• Dual Mode Functionality: Supports SIM card for GSM calling mode, and also supports Bluetooth connection mode. It meets the needs of different usage scenarios, making it convenient to use as a dual purpose device.
• Plug and Play Convenience: Simply insert the battery, turn the switch to the ON position, and use it. For GSM mode, just insert the small SIM card to make calls; for Bluetooth mode, search and connect to "PD Ear" for quick setup.
• Clear Sound Quality: Equipped with premium speaker units, this earpiece delivers clear and loud sound. The GSM network provides stable communication, while Bluetooth connectivity ensures smooth conversations.
• Various Settings: Ideal for stage performances, conference hosting, and guide commentary, this earphone fulfills the requirements for professional communication and information reception.
• Comfortable Wearing: Lightweight and compact, this In Ear earphone offers a high level of comfort, making it easy to wear for extended periods without feeling burdened.