AI PRO Bluetooth wireless on-ear headphones

New in box Innovative and special design with high audio quality. Bluetooth specification: V4.1. The Bluetooth technology: up to 10m distance. Hands-free and clear quality sound. Adjustable headband: Allows you to create the perfect fit and maximum comfort. Support 3.5mm audio input, convenient for use. Built-in 500mAh Lithium-ion battery. Battery life of 8-10 hours per charge. Charging time: 2-3 hours. Model: Ai Pro. Wearing type : Headband . Function: answer or reject Phone calls, Bluetooth, Microphone, MP3 player, Song Switching, Voice control. Connectivity : Wireless. Connecting interface : 3.5mm,Micro USB. Application: Computer, Mobile phone, Portable Media Player. Sound channel: Two-channel (stereo). Frequency response: 2.402GHZ-2.480GHZ. SNR: No less than 80db. Working Time: 8-10 hours. Bluetooth protocol: A2DP v1.2,AVRCP,HFP,HSP Battery Types: Lithium-ion battery. Battery Capacity(mAh): 500mAh. Battery Voltage: DC 5V. Up to 2 Headphones can be connected to 1 device. Package Contents: 1 Ai Pro Wireless Bluetooth V4.1 Headset Support, AUX Slot, 1 x USB Charging Cable, 1 x Audio Cable, 1 x Us