Q21 HiFi Sound Bluetooth-compatible Earphones Magnetic Neckband Headphones Support HD Calls

• Comfortable Neckband Design: Designed for easy and comfortable wearing around the neck, these Bluetooth-compatible earphones are perfect for all-day use
• Advanced Bluetooth-compatible 5.2: Equipped with the latest Bluetooth-compatible 5.2 technology, these earphones provide a stable and efficient wireless connection
• Powerful 10mm Drivers: The large 10mm drivers deliver rich and immersive sound quality with enhanced bass and clear treble
• Extended Music Playback: With up to 11 hours of continuous music playback, these earphones are designed to keep up with your busy schedule. Perfect for long commutes, workouts, or leisure listening
• Magnetic Earbuds and Inline Mic: The magnetic earbuds securely attach to each other when not in use, preventing tangling and loss. The inline microphone allows for hands-free calling with crystal-clear voice quality, making it convenient for both personal and professional use

Specifications:

• Bluetooth-compatible chip: BK3266
• Bluetooth-compatible protocol: HFP, HSP, A2DP, AVRCP
• Effective distance: 10M 
• Music time: about 11H (70% volume)
• Talk time: about 9H (70% volume)
• Standby time: about 110H
• Rated input: DC5.0V=1A
• Frequency range: 20Hz-20KHz
• Impedance: 32Ω
• Sensitivity: -90dBm
• Battery capacity: 3.7V/110mAh
• Charging time: 2H
• Speaker: 10MM 16Ω
• Waterproof level: IPX4