Item Type: Bluetooth Car Kit Brand Name: Onever Model Name: Bluetooth Heart Rate Monitor Item Weight: 95g Special Features: Bluetooth MP3 Wireless Item Size: 5.3*7*1.8cm / 2.1*2.7*0.7" Material Type: Plastic (ROHS), silicon gel Car Maker: Universal Car Frequency Channels: 88.1~107.9MHz I/O: 1*USB2.0, 1*TF card slot, 1*Audio in, 1*Audio out, 1*Mic Bluetooth Version: Bluetooth V3.0 Bluetooth Frequency Response: 20Hz-15KHz Audio Format: MP3/WMA/WAV/SBC Bluetooth Profiles: HFP/HSP, A2DP/AVRCP