Bluetooth-Compatible Version: 5.1 Protocol: HFP 1.7 / HSP1.2 / A2DP 1 / AVRCP 1.6/ SPP1.2 / PBAP1.0 Noise reduction version: CVC8.0 Frequency range: 2.402GHZ ~ 2.480GHZ Working distance: 0-10m Charging input voltage and current: 5V Above 600mA Headphone battery capacity：50mAh Charging compartment battery capacity: 2000mAh Headphone charging time 2 hours Music playback time: 3-4hours Talk time: 3-4hours

4 in 1 Multifunctional Bluetooth Headphone: Wireless Bluetooth + Card MP3 player + FM Radio + Wired Headset function. Supports hands-free function, conveniently answer the incoming call during travel. Type: Bluetooth headphone with Mic Bluetooth version: 4.2-5.0 Operation Distance: 10m; Plug Type: 3.5mm Color:White, Green, Blue, Black, Red (Optional) Support:Bluetooth, Aux in, TF Card, FM radio The output frequency: Class 2 USB charging cable: AC input 110-240 V DC input 5 V Frequency: 2.4 GHz 2.4835 GHz

Brand : No Brand Product: P47 Wireless Headset Sweat Proof Memory Card Slot Matte Finish Noise Cancellation Technology Standby Time 120 Hours Music Time 3.5 - 5 Hours Built in Microphone Option Audio Jack Charge Time 1-2 Hours