Feature: 1. Made of soft filling, adjustable headband, comfortable to wear without pain. 2. Builtin 250mAh lithium battery, 810 hours of music playback. 3. 40mm/1.6in speakers, stereo sound quality, immersed in music. 4. Dual microphone design can filter out noise and make calls smoothly. 5. Equipped with audio cable, can be connected to mobile phones, MP3, MP4, etc. Specification: Item Type: Wireless Headphone Material: ABS Color: As Pictures Shown Weight: Approx. 401g/14.1oz Drive: 40mm/1.6in Impedance: 32 OHM version: V5.0 frequency band: 2.4 GHz Power : Class II BT distance: accessible 10m/32.8ft Frequency response: 20-2000Hz support Protocol: A2DP high quality stereo audio transmission/AVRCP and remote control protocol Charging time: 2 hours Talk/music time: 8-10 hours Standby time: 120 hours Battery capacity: lithium battery 250mAh (shipped with built-in battery) Charging power supply: DC5V power supply, round hole interface Compatible mobile phone: Compatible for Android/IOS//Symbian system 99% of mobile phones with function How to use: Switch on the device and automatically enter mode, turn on the function of smart device, search and match successfully, then you can use Package List: 1 x Earphone1 x USB Charging Cable 1 x Audio Cable 1 x Manual

Equipped with audio cable, can be connected to mobile phones, MP3, MP4, etc. Dual microphone design can filter out noise and make calls smoothly. 40mm/1.6in speakers, stereo sound quality, immersed in music. Builtin 250mAh lithium battery, 810 hours of music playback. Made of soft filling, adjustable headband, comfortable to wear without pain.