• High-Resolution Lossless Sound: Experience superior audio quality with these air conduction Bluetooth-compatible headphones. Designed to deliver lossless sound with high resolution, they provide an immersive listening experience
• Upgraded Bluetooth-compatible 5.2 Technology: Enjoy faster, more stable connections with the latest Bluetooth-compatible 5.2 chip. This upgrade ensures seamless pairing with your devices, reduced latency, and improved overall performance
• Secure and Stable Fit: The innovative back-hanging design ensures that the headphones stay securely in place, even during intense physical activity
• 240mAh Long Battery Life: Equipped with a powerful 240mAh battery, these headphones offer extended usage on a single charge. Perfect for long workouts, commutes, or travel
• Lightweight and Comfortable: Designed for all-day wear, these air conduction headphones are lightweight and ergonomically crafted for maximum comfort

Specifications:

• Bluetooth-compatible version: V5.2 BLUETRUM 5616B
• Supported protocols: Hands Free 1.6/ Headset 1.1/ A2DP 1.2/ AVRCP 1.5
• Channel system: Stereo sound
• Talk time: 7H
• Play time: 7H
• Charging time: 1.5H
• Charging bin capacity: 240mAh
• Best talk distance: <1M
• Maximum transmission distance: ≤8-10m
• Voice prompt: Support
• Sensitivity: 103±3dB
• Speaker diameter: 18mm
• Impedance: 18±15%
• Microphone parameters:
• Sensitive bottom: 39±5
• Impedance: 200Ω
• Bluetooth-compatible operating frequency: 2.402G-2.480G
• Multi-point connection: Not supported
• Wearing method: Back hanging