Product Name: I7s Tws Wireless Stereo Mini Sports Bluetooth in-Ear Earphone Model NO.: i7s tws Distance version: Class B Specifications: HFP Color: White Characteristics: Voice Control Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 5.0 Usage: Mobile Phone Style: In-ear Charging Time: 60min Music Time: 1-2 Hours Single Battery: 45mA Charging Box Battery: 450mA Product Weight: 90g Color Box Size: 10*10*3.5cm Trademark: Logo can custom Transport Package: Box Specification: 10*10*3.5cm Origin: China HS Code: 8518301000 Product Description i7s Tws Wireless Stereo Mini Sports Bluetooth in-Ear Earphonei7 TWS Features:Adopt true wireless technology, enjoy your wireless sportsIntelligent charging box provides fast charge, worry free for enduranceAllowing two persons to listen to the same song without the obstacle of earphone lineErgonomic design, small detail protect your earphone from dropping when you exercise strenuouslyDouble click to redial outgoing call, one click to play pause musicFlexible, lightweight, comfortable fit and durable design. Best choice when you do sports.i7 TWS specifications:1, Bluetooth version V4.2 or 5.0, ClassII2, Battery capacity:Earbud:45mah rechargeable Li-ion battery,Charging dock:450mah3, Charging time:1-2 hours4, Music play time:2-3 hours5. Talking time:3-4 hours6, Standby time:96 hours7, Impedance:32OHM8, Frequency:2.4GHz 9, Output Power:30mW 10, Working Voltage:3.0-4.2V 11, Sensitivity:-42dB 12, Support A2DP/AVRCP 13, Working distance: 10m 14, Earbuds size:5*2*1.5cm 15, Product weight: 100g 16, LED indicator display charge status in charging or full 17, Stereo audio,Noise cancelling 18, Voice announcement broadcast: paring,power on,power off,your device is connect,your device is disconnect,battery lowPackage Includes:2xmini Bluetooth Headphones(left and right earphones)1x Charging box1xUSB Charging Cable1xUser ManualMany Kinds for your choose: