
ESAMACT Smart LF-18 Wireless Bluetooth 4.1 Headset Waterproof Neckstrap Stereo Headphone Bone Conduction NFC Earphone Hands-free
SpecificationsBluetooth Version: Bluetooth 4.1 + ERDBluetooth IC: CSR8635Bluetooth Profile: a2dp / HFP, HSP, AVRCP, GAVDP, AVDTPBluetooth Class: Class 2Speaker Type: Bone conduction technology speaker, 1W dual speakersBattery: 260mAh Polymer batteryMic: Anti-interference microphones (-42DB)Effective Range: 10m (33feets)Receiving Sensitivity: 88dBmImpedance: 8ohmFrequency Range: 20 to 20KHzMusic Time: 8hoursTalking Time: 8hoursCharging Time: 2 hoursStandby Time: 10 days General Brand ESAMACT Material ABS Quantity 1 set Connections Connection Bluetooth Bluetooth Version Bluetooth V4.1 Specification Headphone Style - Waterproof Level IPX7 Applicable Products - Headphone Features For Sports & Exercise Support Memory Card No Audio Properties Support Apt-X No Dimensions & Weight