Features:Specially designed for JBL Pulse3 Portable WirelessOutdoor Bluetooth Speaker, Built-in bluetooth 3.0 + EDR wireless transmission, working distance up to 10 meters.Support to Hand-delivery when answer call (with MICRO)Compatible with all Bluetooth devices such as smart phones, tablet PCs, iPODs ...Bluetooth chip, clear sound and perfect quality, powerful bass and can enjoy unhindered stereo music anytime, anywhere when you're out.Stereo audio transmission protocol (A2DP V1.2)Support playing MP3 songs stored in the u-diskSupport playing MP3 songs stored in TF cardSupport external 3.5mm audio input terminals of all.supports rechargeable.Specifications:Functions: Bluetooth connection, plug wire connectionBluetooth version: 3.0Shell material: PlasticSupported formats: TF card, U-diskReception distance: 10 m and belowOutput power: 3W x 2External Magnetic Speaker: 4Ω 3wInput sensitivity: 300mVResolution: ≥ 90dBSignal to noise ratio: ≥ 80dBOperating Voltage: DC 5 VSize:130x41x55mmNet Weight:120gPackage Includes:1x Bluetooth Speakers1 x usb cable