Bluetooth Wireless Headset – X21S Bluetooth 5.0 Mini Headsets With Microphone Hidden Sport Wireless Earphones

<br>X21S Bluetooth 5.0 Mini Headsets With Microphone Hidden Sport Wireless Earphones Invisible Earbuds Description:<br>English voice prompt.<br>Call number broadcast.<br>IOS system power display.<br>Call / reject.<br>Last number redial.<br>HD voice quality.<br>Solution: high-end solutions.<br>Support mode: all Bluetooth versions.<br>Signal transmission channel: Cassl2.<br>Wear: semi in-ear style wear.<br>Microphone sensitivity: -42DB backend high end transmitter.<br>The longest transmission range: 10-15 meters.<br>Specifications:<br>Model: X21S<br>Color: White,<br>Version: Bluetooth 5.0<br> Transmission rate: 24MBPS<br> long call time: 3-4 hours<br>Listening to music time: 3-4 hours<br>Input voltage: DC5V 1A (Max)<br>Charging time: 1.5 hours<br>Standby time: 150 hours<br>Input voltage: DC5V<br>Input current: 1A<br>Output voltage: 5V/160mA (Max)<br>Output current: 2.1A<br>Battery capacity: 350mAh<br>RF transmit power: 90DB (transmission is more stable)<br>Package List:<br>1 x X21S<br>1 x Charging Box<br>1 x Charging Cable<br>

• Stable Bluetooth connection, pairs with phones/laptops in seconds, no disconnection issues during use
• Clear stereo sound quality, works great for both calls and music, delivers crisp audio performance
• Lightweight design with comfortable fit, no pressure even for all-day wear—ideal for commutes and work
• Long battery life, supports full-day use on a single charge, eliminates frequent recharging hassle
• Compact and portable, easy to carry around, perfect for commuting, traveling and on-the-go lifestyles