Feature: 1. Support BT 5.0 wireless technology, max. 10-meter working distance 2. Touch control for easy and convenient use. 3. DSP noise reduction technology adopted, greatly enhancing the sound quality. 4. Once charge for 4 hours use max, 310mAh charge box for offering 12 hours max. power. 5. Support voice assistant, three tap random earbud to open the voice function, fast setting. 6. Built in 7.2mm dynamic coil unit provides true wireless stereo and crystal clear sound. 7. 4g lightweight, hidden in your ear, great and comfortable wear feeling. 8. IPX5 water resistance, accompany with you freely in a rainy day and gyming. 9. Supporting AAC(Advanced Audio Coding) creates an immersive music environment. Specification: The pair of GT1 headphones are BT5.0, 10m transmission distance, DSP noise reduction, stereo sound, touch control. IPX5 waterproof, the pair of headphones are well companion of sport and travel. Features: Support BT 5.0 wireless technology, max. 10-meter working distance. Touch control for easy and convenient use. DSP noise reduction technology adopted, greatly enhancing the sound quality. Once charge for 4 hours use max, 310mAh charge box for offering 12 hours max. power. Support voice assistant, three tap random earbud to open the voice function, fast setting. Built in 7.2mm dynamic coil unit provides true wireless stereo and crystal clear sound. 4g lightweight, hidden in your ear, great and comfortable wear feeling. IPX5 water resistance, accompany with you freely in a rainy day and gyming. Supporting AAC(Advanced Audio Coding) creates an immersive music environment. Specifications: Material: ABS Color: Black BT Version: 5.0 Transmission Distance: 10m (no obstacle environment) Charge Time: Headphone: About 1.5h Charge Box: About 3h Standby Time: About 100h Music Time: About 4h Working Time: About 12h (with charge box) Battery: Headphone: 43mAh Charge Box: 310mAh Support Protocol: HFP/HSP/A2DP/AVRCP Main Functions: Music palyback/pause, Call reminder, Binaural call, Noise reduction, Voice prompt Item Size: Headphone: 26.8 * 17.6mm / 1.06 * 0.69in Charge Box: 66 * 31.9mm / 2.6 * 1.45in Package Weight: 75g / 2.65ounces Package Size: 150 * 100 * 50mm / 5.91 * 3.94 * 1.97in Packing List: 1 * Pair of Headphones 2 * Pairs of Ear Caps 1 * Charge Box 1 * USB Cable Package List: 1 * Pair of Headphones 2 * Pairs of Ear Caps 1 * Charge Box 1 * USB Cable