Dongguan Kelson Technology Co., Ltd.  

Product Name: Wireless Head Phone Model NO.: wireless head phone Distance version: Class A Specifications: HSP Color: White Characteristics: Support Music Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 4.0 Usage: Mobile Phone, MP3 & MP4, Computer, Game Player, Aviation Style: Ear Hook Trademark: KELSON Transport Package: Box Package Specification: Standard Origin: Shenzhen HS Code: 8517629900 Product Description wireless head phonePlease note: It is suitable for all smartphones, please don't worryGuaranteed 100%Checkedbefore sent out,If not ,REFUND !!!So don't worry the quality.Matching steps:1: Long press the multi-function buttons of both sides at the same time until the led flashing in red and bule alternately;2: Then double-click the left earphone to automatically pair;3: Turn on the phone bluetooth on your device and choose "i7S Tws" to connect;4: Matching completed.Note: This product does not have a retail package box! ! !Specification:1. Bluetooth version:Updated to Bluetooth v5.0 + EDR (Support two earphones tocall)2. Power level: CLASS 2 and Class 33. Output power: 30mW4. Frequency response: 2.4-2.85GHz5. Operating voltage range: 3.0V-5V6. Mic: -42dB (with microphone)7. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol8. Powerful noise de-noising circuit (active noise reduction)9: Earphones battery: Polymer lithium battery 50mA10.Charging time:0.5-1 hours11. Talk time: 2-3 hours12.Music time: 2-3 hours (100% Gurantee,No virtual mark, Its full)13. Standby time : 130 hours14: Transmission distance: Out door strainght distance of 10-15 metersPackage Includes:2 x Bluetooth Headphones(left and right earphones),1 x Charging box Noted: 1. Charger box not included if you selected the no charging box. 2.This product does not have a retail package box! ! !1 x Micro USB Charging Cable1 x User ManualHi-FiStereo Bass SoundThis wireless earbuds's graphene-coated drivers are rigid, yet light. Crystal clarity and deep, resonant bass with delicately tuned sound signature deliver immersive sound and put you on the stage center. Adopting latest Bluetooth 5.0 maintain a super-strong Bluetooth connection and a superior sound across the entire frequency range.Comfort & Durability For Your Sportsi7s twswireless earphones are made with sweat-proof casings, perfect for hard workouts at the gym or when at home.65° wide angle design, better fitting to the earA comfortable wearing experiencePairs With Any Bluetooth Enabled Devicei7s twswireless earphones have been made to easily pair with any smartphone or Bluetooth enabled device such as tablets, laptops, iWatch3, and more. Letting you enjoy the latest Bluetooth technology however you like.Bluetooth 5.0 TechnologyWe've pushed the limits of wireless technology with the built-in Bluetooth 5.0 chip, giving you the highest quality sound and fastest transmission speeds on the market, giving your favorite music absolute clarity.