InLine 55355, 1.0 channels, Wired & Wireless, 2.1+EDR, A2DP, AVRCP, HFP, HSP, 10 m, Mono portable speaker InLine 55355. Audio output channels: 1.0 channels. Connectivity technology: Wired & Wireless, Bluetooth version: 2.1+EDR, Bluetooth profiles: A2DP, AVRCP, HFP, HSP. Product type: Mono portable speaker, Product colour: Black, Product design: Spheric. Recommended usage: Mobile phone/Smartphone. Power source type: Battery, Battery technology: Lithium Polymer (LiPo), Battery life (max): 100 h