Factory model     H8-A  Wireless   Headset Black  Charging Case Earbuds in-Ear Bluetooth  Earphone 
 Item                   Wireless bluetooth in-ear earphone
Functions           Listening quality stereo music. Answering call or redialing last call. Using charging case                              to charge for cell phones, ipad etc. Using the earbuds as microphones and the charging                               case as speaker to have a mini teleconferencing.
Summary Features     1Touch control. Next track, answer/end/reject call.2Convenient one-tap connectivity, getting rid of complex pairing.3True wireless stereo. Compatible with lossless audio formats.4Long battery life, earbuds can last for four hours of listening time.51200mAh charging case can provide 60 hours of earbuds battery life.61200mAh charging case can be used as battery bank, charging for cell phone (for example IPhone) etc.71200mAh charging case has its own saperate speaker as mini subwoofer for listening music or as mini  teleconferencing device.8 
Information about earbuds       1Bluetooth version: 5.02Bluetooth rang:10 M 3TWS (True wireless stereo) technology, compatible with lossless audio formats.4Frequency response: 20HZ-20KHZ5Waterproof rating: IPX56Ergonomic design.7Automatic adaptive to corresponding sound tracks for both earbuds.8Operation by: Simply touch9Support for previous/next song.10Phone call via one earbud11Automatic shutdown.12Support volume addition and subtraction.13Reminder of battery near to running out..14 Earbud battery:39mAh. Lithium polymer battery.15Earbud battery maximum working hours for call or audio play: 4-5 hours16 

Information about charging case      1Charging case battery:1200mAh. Lithium polymer battery. 2Aluminum alloy  charging case3Charging case's capacity enough for 10 times of charging for earbuds4More functions: Phone call/Mini subwoofer/Mini teleconferencing device/ Powerbank/Can be connected to flashlight via USB.5Equiped with speaker6USB interface charging7Input: DC 5v 
Surface finish (Standard)            1Aluminum alloy anodizing 2Black 
Surface finish (More choice)        1Silver2Colors optional3 4 5 
Information about packaging             Product dimensionEarbud:L26*W16*H23mm  Charging                                                                                                case:L155*W44*H39mmIndividual box dimensionL156*H89*W49Outer                                                                        carton dimension42*33*31CMPcs/carton50Pcs
                                                          N.W.              (Kg)/carton13.65kgG.W.(Kg)/carton14.3kg

Features:

1. Bluetooth solution: 5376A2 chip
2. Headphone battery 35 mAh
3. Charging compartment 250 mA
4. Transmission distance 10-15 meters
5. Music play 3-4 hours
6. Talk time 4 hours
7. Standby time 100 hours
8. Charging time 1 hour
9. Charging interface: micro interface
10. Color (black, red, white)