1. Bluetooth version: V5.4 2. Frequency range: 2.4GHz (2402-2480MHz) 3. Support protocol: A2DP, HSP, AVRCP, HID, etc. 4. Transmission distance: 20M (open and unobstructed distance) 5. Rated voltage: DC 5V 6. Interface type: USB 7. Operating system: Windows 8.1/10/11 system 8. Dimensions: about 23.8 x 15 x 7.2mm 9. Note: only the adapter, does not include other items in the picture Features: 1. Bluetooth 5.4 chipset, faster transmission speed, more device connections, more stable transmission conditions 2. Compatible with multiple Bluetooth versions, automatically backward compatible with Bluetooth devices 5.3/5.2/5.1/5.0 and below 3. Wide range of compatibility, support multiple devices connected to Bluetooth at the same time 4. PC connected keyboard/mouse, wireless operation 5. PC connect audio, wireless listening, support multi-device connection, no delay, mobile bluetooth, stereo HD sound 6. PC connected Bluetooth headset, enjoy the freedom of wireless music 7. Built-in wireless signal enhancement, to achieve 20 meters barrier-free long-distance transmission, stable and smooth connection, refused to intermittent/disconnected connection
1. 蓝牙版本:V5.4 2. 频率范围:2.4GHz (2402-2480MHz) 3. 支持协议:A2DP、HSP、AVRCP、HID等 4. 传输距离:20M(开放无遮挡距离) 5. 额定电压:DC 5V 6. 接口类型:USB 7. 操作系统:Windows 8.1/10/11系统 8. 尺寸:约23.8 x 15 x 7.2mm 9. 注意:只有适配器,不含图片中其它物品 特点: 1. 蓝牙5.4芯片组,更快的传输速度,更多的设备连接,更稳定的传输条件 2. 兼容多个蓝牙版本,自动向后兼容蓝牙设备5.3/5.2/5.1/5.0及以下 3. 广泛的兼容性,支持多设备同时连接蓝牙 4. PC连接键盘/鼠标,无线操作 5. 电脑连接音频,无线收听,支持多设备连接,无延迟,移动蓝牙,立体高清声音 6. 电脑连接蓝牙耳机,享受无线音乐的自由 7. 内置无线信号增强,实现20米无障碍远距离传输,连接稳定顺畅,拒绝间歇/断开连接
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