Zealot B19 Foldable Bt Headset With Microphone The product is shipped based on the color or size of the main image of the product page. ZEALOT B19 can be used both wired (via the 3.5mm audio cable) and wireless (via BT). With the high-quality microphone, the headset supports hands-free calls. Its artificial protein leather of earmuffs simulated to human skin texture, giving you long-time comfort. Features:Multifunction:Equipped with features of stereo BT, TF card MP3 player, AUX in, FM radio, LCD display and hands-free call.Stereo sound quality:40mm dynamic drivers transmit high fidelity and powerful bass, bringing great sound effect, just immersing in the music world.Line-in function:Connect to the music players (such as, MP3 / MP4, etc) without BT function via the included 3.5mm cable.Long Battery Life:Built-in 400mAh rechargeable battery lasts up to 8 hours of music playing time and 30 days of standby time per charge cycle.Ergonomic Design:Foldable and adjustable headband length, soft leather ear cushion, comfortable to wear and easy for storage. Highlight:* With LCD display function, it is convenient for you to choose modes and makes night more wonderful.* Press and hold Play / Pause button to enter FM Radio, and press Play / Pause button to search the channels automatically from 87.5 to 108MHz.Specifications:Brand: ZEALOTModel Number: B19BT version: 4.0Support Profiles: HSP, HFP, A2DP, AVRCPTransmission Distance: up to 10m (no obstacle)Frequency Responce: 20-20KHzResistance: 32ohmSensitivity: 783dbSNR: 80dBMicrophone: Built-inTF Card Music Playback: Support Max. 32GBPlug Type: 3.5mm Audio PortBattery Capacity: 400mAhMusic Playing Time: about 8 hours (depends on the volume)Talk Time: about 6 hoursStandby Time: about 30 daysCharging Time: about 5 hoursCharging Voltage: DC 5VColor: Black with Gold, Black with Grey, White with Silver, White with Blue (Optional)Main Item Size: 18.0 * 16.4 * 8.0cm / 7.08 * 6.45 * 3.14inItem Weight: 213g / 7.51ozPackage Size: 19.4 * 15.2 * 8.9cm / 7.63 * 5.98 * 3.50inPackage Weight: 410g / 14.46ozPackage list:1 * BT Headset1 * USB Cable1 * 3.5mm Audio Cable1 * User Manual (English / Chinese)