Product Name: Bluetooth Headphone I12 I11 I10 Model NO.: i12 Jieli Specifications: Support Hsp / Hfp / A2dp/Avrcp Characteristics: Tws V5.0 Function: Bluetooth Soundtrack: Dual Track Bluetooth Version: 5.0 Usage: Mobile Phone, Call Center, MP3 & MP4, Computer, Game Player, Aviation, DJ Style: In-ear Power Input: DC 5V Charging Bin: 250 mAh Charging Time: Around 50 Minutes Call Time: 2.5 Hours Music Time: 3 Hours Frequency: 20Hz ~ 20kHz Bluetooth Distance: 10 Meters Trademark: Neutral Transport Package: Carton Origin: China HS Code: 8518301000 Product Description Specification:1.Bluetooth : V5.02.Chip: Jerry 69163. Charging time: 1 hour / Standby time: 100 hours4.Charging battery: 250MA / Headset battery: 35MA5. Call/music 2-3 hours6.Bluetooth distance 15 meters7. Frequency: 2.4G-3.2GHZ8. Support : HES/HSP/AVRCP/A2DFeatures:1. Supporting listening to songs and making calls2. Easy to carry, suitable for people of any age3. Caller number, last call back, power on, power off, disconnect the phone, low battery, etc.4. Compatibility: Support all mobile phones with Bluetooth function, tablet, notebook, etc. 5.Magnetic charging 6.Automatic pairing