Tai nghe Bluetooth L21 Pro Quốc Tế 5.0 âm thanh vòm 9D cho điện thoại thông minh

Features: 1.Comfortable to wear: it fits the ear canal, comfortable and can't be shaken off. 2.IPx7 deep waterproof and perspiration proof: multi process design of head body, effectively preventing perspiration from damaging components 3.Multi-function button:Upgrade smart control Abandon the traditional multi-button , the fingertips can be pressed gently Your instructions , no pressure when used. Description: Stereo sound LED digital display, large capacity battery, dual ear HD call. Specifications: Color:pink,white,black(optional) Type:Digital display,Ordinary lights(optional) Transmission range: 10 meters Function: battery display, call function, NFC function, voice control, music support, multi-point connection Bluetooth protocol: 5.0 Channel: Stereo How to use: Earplugs Whether single and double ears: bilateral stereo Material: ABS+PCABS+plating+food silicone ear cap Effective linear distance: more than 10 meters Speaker: Copper ring 8mm Battery: headset 55mah, charging compartment 350AM Play time: 4-5H Standby time: 120H Fully charged time: about 0.5 hours Size:60*40*29mm Package Included: 1 pair * earphone 1 * Charge storage Notes: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. 2. Please allow slight dimension difference due to different manual measurement.