Material: ABS + PC
Connection distance: 20 meter
Support Operating System: Windows 8/ 10/ 11
Compatible Protocols: A2DP, H2DP,HSP, AVRCP, HID
V5.3
Wireless version: V5.3 (downward compatible with V5.2, V5.1, V5.0, V4.2, V4.1 & V4.0)
Connection up to: 5 devices
Size: 31 x 15 x 7.5 mm
V5.1
Wireless version: V5.1 (downward compatible with V5.0, V4.2, V4.1 & V4.0)
Connection up to: 7 devices
Size: 23 x 16 x 5.5 mm