5.0 Earbuds, H66 Headphones with Digital Display HiFi Stereo Headset Nosie Cancelling 5.5hrs Playtime Charging Case Earphones for TV Phone Laptop Using 5.0 high‑performance chip, intelligent automatic pairing, reduce power consumption and improve the transmission rate. Large‑capacity battery brings superior endurance, and can also be used as a mobile power source to charge other devices. A perfect present for mother's day gift, children's day gift, valentine's day gift, anniversary gift, birthday gift, thanksgiving gift, halloween gift, christmas gift, new year gift, easter gift, housewarming, Dad Gifts, etc. Small and light, in line with ergonomic ear design, and intelligent power display, so you can clearly judge the remaining power. 1. Using 5.0 high‑performance chip, intelligent automatic pairing, reduce power consumption and improve the transmission rate. 2. One is divided into two, which is equivalent to two unilateral earphones, which can be single earphone, free to share without restriction. 3. Small and light, in line with ergonomic ear design, and intelligent power display, so you can clearly judge the remaining power. 4. HiFi‑level sound quality, surround sound, high resolution, bring you a high‑fidelity sound music experience. 5. Large‑capacity battery brings superior endurance, and can also be used as a mobile power source to charge other devices. Spec: Item Type: H66 Headphones Material: ABS, PC Version: V5.0 Signal Transmission Distance: 10m/32.8ft (Barrier-Free) Chip Model: 1536 Transmission Frequency: 2400~2480MHz Frequency Response Range: 20Hz~20KHz Talk Time: 5.5 Hours Listening To Music Time: 5 Hours Standby Time: 12 Months Charging Time: 1.5 Hours Battery Specifications: Headphones: Lithium Battery 45mAh (Built-In) Charging Compartment: Lithium Battery 1400mAh (Built-In) Charging Interface: Charging Compartment (Micro) Earphone (Contact) External Device (USB) Headphone Charging Input: DC 3.7V 50mA Micro Charging Input: DC 5V 1A USB Charging Output: DC 5V 1A packing list: 2 x Headphone 1 x Charging Compartment 1 x USB Charging Cable 4 x Ear Cap 1 x Instruction