1、Wireless Function: Wireless earphone cable can upgrade your wired headphones to wireless headphones, making your headphones more convenient and easy to connect to BT for music enjoyment. 2、Superior Sound Quality: BT headphone cable uses a low latency codec to enjoy lag free music and lossless sound quality. The headphone cable supports two simultaneous BT connections for two mobile phones. 3、Two Modes: Headphone cable with music mode and gaming mode, switchable at the touch of a button, music mode provides lossless HD music for music lovers and low latency gaming mode for gaming enthusiasts. 4、Long Standby Time: Wireless headphone cable with built in rechargeable lithium battery and ultra efficient BT 0 technology provides up to 10 hours of talk time and 8 hours of music playback. 5、Easy to Use: Wireless earphone cable is ergonomically designed with a flexible cable earhook, controller and integrated microphone for calls, volume and music playback. 6、Compatible: Headphone cable is suitable for in ear headphones with a 2 pin 0.78 mm/ 0.03in pin configuration. It is also compatible with mobile phones, tablets, computers and other BT devices. 1 x Wireless Earphone Cable (Battery Included)1 x Charging Cable Item Type: Wireless Earphone CableWire Core Material: Oxygen Free CopperSize:Line Length: Approx. 90 cm/ 35.4inWire Diameter: Approx. 2.0 mm/ 0.08inColour: BlackBT: BT 5.0Transmission Distance: Approx. 10m/ 32.8ftStandby Time: Approx. 100 HoursCharging Time: Approx. 1-2 HoursPlay Time: Approx. 8 HoursTalking Time: Approx. 10 HoursInternal Battery: 110mAh Lithium-ion Battery (Shipped with Battery)Applicable: In Ear Headphones Compatible with 2 Pin 0.78 mm Pin Configurations, Such As the Following Headphones.For KZ: ZSN ZSN Pro ZSN Pro X ZS10 ZSX AS12 AS16For UE: UE RRM UE 5Pro UE 11Pro UE 18ProFor CCA: CA4 CA16 A10 C12For TRN: ST1 VX BA5For QDC: Compatible with All ModelsOthers: For KZ ZSN ZSN PRO ZSN PRO X ZS10 PRO ZSX AS12 AS16 ZAX ASF ASX ZSNPRO ZSNPROX ZSNPRO X ZSNPRO X ZS10PROand Other Interface Compliant Headsets