Bluetooth Version: QCC V5.2 Support APTX Support Protocol: Headset, HFP, A2DP, AVRCP HSP Talk Time: about 24 hours Standby Time: about 60 days Charging Time: 2-3 hours Music Playback Time: about 20 hours (maximum volume) Transmission Distance: 15-20m (open space) Built-in dual microphones. Charging Port: Type-C Support mute function Previous and next song selection iPhone/Android phones battery power display Support multi-points connection Bluetooth dongle: Bluetooth 5.0 adapter bluetooth dongle Symbol rate: 3Mbps Receiving/Sending range: 10-20m CHIPSET: RTL8761B Driver: REALTEK 2 Year Warranty Note: The BlueTooth Dongle is only to be used in scenarios where the laptop/PC does not have BlueTooth functionality. The Dongle should not be used in cases where there is already BlueTooth functionality as it will not be compatible. After comparing online prices, www.marvel.co.za should be the cheapest on this product.