Blitzwolf® BW-FYE4 True Wireless Stereo Earphone bluetooth 5.0 Mini Headphone With Charging Box

Features: 1. 10M Obstacle-free ConnectionTWS Earbuds are completely wireless and give you the freedom to move without catching or pulling on any cables. 2. Independent Sound Chambers with 10MM Titanium Film Drivers Produces accurate vocals, powerful low frequencies and balanced mid frequencies. 3. Mini Charging BoxStores and charges the earbuds when you're not using them, so they are always ready to go when you need them. 4. IPX4 WaterproofWear the earbuds in the rain. 5. Sophisticated and ElegantYour ears and eyes will love the BW-FYE4. 6. Simple OperationWhen removed from the charging box, the earbuds automatically power on and connect to the previously paired device. Specifications: Brand Blitzwolf Model BW-FYE4 Color Iron Gray Mechanical Materials PC+ABS Earbud Type Ear Hook Microphone Yes Magnetic Absorption Yes Control Type Wireless Connection bluetooth Version V5.0 bluetooth Chip RTL8763BFR Supported Profile HSP/HFP/A2DP/AVRCP Audio Encoding Format SBC AAC Transmission Distance 33 feet (10m) Receive Sensitivity 110dB3dB Frequency 2.402-2.480GHz, Class 2 Charging Input of the Earbuds DC 4.75-5.25V/1-45MA Charging Input of the Charging Box Micro-USB DC4.75-5.25 V/1-400MA Operating Temperature 0 - +50 Battery Capacity Earbud50mAh Polymer lithium battery Charging Box500 mAh Polymer lithium battery Charging Time Time in Charging the Earburds1.5H Time in Charging the Battery Case + Earbuds2-3.5H Music Time Monaural Earburd with Full Electricity3-4.5H Consuming All the Electricity of the Charging BoxUp to 20H Call Time 4.5H Standby Time 180H Dimension Charging Box753532mm Earbud16.12014.6mm Weight Single Earbud3.9g Charging Box34g