Pure sine wave output...
Geeko Ultra-Mini Bluetooth V4.0+EDR USB Class 2 Dongle - Broadcom BCM20702 Chipset , Asynchronous transfer rate of 3Mbps , Up to 10m Wireless range , 2.4Ghz Frequency band , Connect with up to 7 devices at the same time, Dual-mode Bluetooth transfer, Support Bluetooth voice data, Software CD Driver included- Black, Retail Box, 1 year Limit warranty
Stable signal Supports stereo Bluetooth Connects multiple devices Bluetooth 4.0 specification and backwards compatible with Bluetooth 2.0 / 2.1 / 3.0 Bluetooth 4.0 specification allows transferring from 0 – 20m Intelligent ‘sleep and wake-up’ feature reduces energy loss for Bluetooth devices
Orico Mini USB 4.0 Bluetooth Adapter
Bluetooth Dongle Ver 4.0
- ICASA approved (TA-2005/529) - Class 1 - 2.4GHz - 721 Kbps - Plug & Play - Connect up to 8 devices - Effective range: 30m ~50m