1、Bluetooth version V0+EDR, provides faster and more stable connection, also has lower power consumption. 2、Support power display, call function, provides bilateral stereo effect, makes you hear more clearly. 3、Supports binaural and single‑ear modes, automatic connection, wide compatibility, and comes with a charging compartment. 4、Light in weight and small, easy to carry, can be used for driving, sports, etc. 5、The appearance is stylish and elegant, the design is exquisite, which can upgrade your experience. 1 x Pair Bluetooth 5.0 Earbuds  1 x Charging Compartment1 x Charging Cable1 x Manual Condition: 100% Brand NewItem Type: Bluetooth  5.0 EarbudsMaterial: ABSOptional Color: Black, WhiteBluetooth Version: V 5.0+EDRMusic Time: About 2-3 hoursTalk Time: About 3-4 hoursBluetooth Protocol: A2DP/HFP/HSP/AVRCPEarbuds Charging Time: About 1- 1.5 hoursCharging Time for Charging Compartment: About 1 hourBluetooth Distance: Approx. 10m/ 10.9ydEarphone Battery: 40 mA lithium battery (Built in)Charging Compartment Battery: 200 mA lithium battery (Built in)